Papers on Statistical Analysis of Biological Data

1. Stoeva, M., Uzunova, K., Popova, E., Stoyanova, K.: Patterns and levels of variation within section Phacocystis of genus Carex (Cyperaceae) in Bulgaria, Phytologia Balcanica 11(1):45-62, 2005.

2. Ognjanova-Rumenova, N., M. Filipova-Marinova, E. Popova: Environmental history and human influence at coastal wetlands in the Bay of Sozopol, Bulgarian Black sea coast. In Proceedings of the Fifth European Palaeobotanical-Palynological Conference, Cracow, 1998, Acta Palaeobotanica Suppl. 2, 589-593, 1999.

3. D. Temniskova-Topalova, V. Petrova-Karadjova, Popova, E.: Benthic Diatom Communities from the Bulgarian Black Sea Shelf. Phytologia Balcanica 5(2-3):131-138, 1999.

4. Ognjanova-Rumenova, N., D. Zaprjanova, E. Popova: Siliceous microfossil stratigraphy of sediment profile "F" connected with archaeological excavation in coastal wetlands in the Bay of Sozopol (Bulgarian Black sea coast). Part II: Palaeoinvironmental interpretation. Phytologia Balcanica 4/3, 39-50, 1998.

5. Stoeva, M.; Popova, E.: A taxonomic study of Carex sect. Phaestoglochin and sect. Stellulatae (Cyperaceae) in Bulgaria. Bocconea, vol. 5, 1997, pp. 787-796.

6. Ognjanova-Rumenova, N.; Popova, E.: Diatom biostratigraphy and environmental history of the Holocene sediments in Sozopol bay. Annuaire de l'Universite de Sofia "St. Kl. Ohridski" Fac. Biology, Livre 2-Botanique 88(4): 42-46, 1997.

7. D. Temniskova-Topalova, D. Ivanov, E. Popova: Diatom Analysis of Neogene Sediments from the Elhovo Basin in South Bulgaria. Gelogica Karpathica vol. 47, 5, 1996, pp. 289-300.

8. Ognjanova-Rumenova, N.; Popova, E.: Palaeolimnological Reconstruction of the Sofia Neogene Basin, Sought Bulgaria - a Case Study of Palaeolimnological Diatom Research. Phytologia Balcanica, vol. 2, 2, 1996, pp. 46-51.

9. D.Temniskova-Topalova, N. Ognjanova-Rumenova, E. Popova: Diatom Analysis of Neogene Sediments from the Karlovo Coal Basin (Southern Bulgaria). II. Stratigraphy and Palaeoecology Based on Siliceous Microfossils. Phytologia Balcanica, vol. 2, 1, 1996, pp. 13-28.

10. Stoeva, M., Popova, E.: Population study of Carex Pallescens L. (Cyperaceae) in Bulgaria. Proceedings of sci.conference "100 Anniversary of Acad. B. Stefanov", 1995, pp. 272-277.

11. Stoeva, M., Popova, E.: Cytotaxonomic study of Carex sect. Acrocystis (Cyperaceae) in Bulgaria. Fragmenta Floristica et Geobotanica, vol. 38, 1, pp. 29-43, 1993.

12. Tsanev, V.; Popova, E.; Bochev, B.; Ganeva, G.: Seed Nitrogen Content and its Relation to Some Nitrogen Metabolism Elements in Lines Developed by Triticum Aestivum x Aegilops Crassa Hybridization. II. Nitrate Reductase and Protease Activity in the Leaves. Cereal Research Communication, vol. 21, Nos 2-3, pp. 167-173, Budapest, 1993.

13. Tsanev, V.; Popova, E.; Bochev, B.; Ganeva, G.: Seed Nitrogen Content and its Relation to Some Nitrogen Metabolism Elements in Lines Developed by Triticum Aestivum x Aegilops Crassa Hybridization. I. Nitrogen Assimilation and Translocation. Cereal Research Communication, vol. 21, Nos 2-3, pp. 159-165, Budapest, 1993.

14. Ognjanova-Rumenova, N.; Popova, E.: Diatom biostratigraphy and comparative core correlation within the Sofia Basin, Bulgaria. In: Kovar-Eder, J. (ed.) Paleovegetational Development in Europe, Museum of Natural History, Vienna, pp. 197-203, 1992.

15. Ognjanova-Rumenova, N., Popova, E.: CCA used for Neogene Palaeocological Reconstruction of Sofia Basin, Sought Bulgaria, In: Diatom algae as indicators of the changes of climate and environment, 5th workshop on Diatom Algae, Irkutsk, March 16-20,1993, pp. 104-107.

16. Stoeva, M.; Popova, E.: Taxonomical evaluation of the Bulgarian populations of genus Carex L. sect. Glaucae (Ascherson) Christ. Compt. Rend. Acad. Bulg. Sci., vol. 45, 9, pp. 99-101, 1992.

17. Stoeva, M.; Popova, E.: Variation Patterns within the Genus Carex L. sect. Digitatae (Fries) Christ. in Bulgaria. Folia Geobotanica et Phytotaxonomica, Praga, vol. 26, 4, pp. 379-395, 1991.

18. Stoeva, M.; Popova, E.; Uzunova, K.: Population Variability of Carex sempervirence Vill. complex and Carex kitaibeliana Degen in Bulgaria. In: Kozhukharov K., Kuzmanov B. (eds.): Evolution of the Flowers and Florogenesis. BAN Publ. House, Sofia, in Bulgarian, pp. 140-159, 1991.

19. Stoeva, M.; Popova, E.: Population Variation of Carex caryophillea Latourr in Bulgaria. Fitologija, vol. 38, pp. 41-58, 1990. (in Bulgarian)

20. Peneva, P.; Popova, E.; Kuzmanov, B.: Morphological Variation of Matricaria recutita L. I. Cluster Analysis. Fitologija, vol. 36, pp. 15-25, 1989. (in Bulgarian)

21. Stoeva, M.; Popova, E.: Some observations on populations of genus Cyperaceae involved in the Red Book of Bulgaria, in National Meeting of Young Scientist on Ecology and Environmental Protection, Plovdiv, 1988, pp. 109-111. (in Bulgarian)

22. Uzunov, Y.; Popova, E.; Zhelezarov, A.; Boychev, D.: Information and Program Insurance of the River Biomonitoring. First National Conference on Biological Monitoring, Plovdiv, pp. 103-107, 1987. (in Bulgarian)

23. Popova, E.; Peneva, P.: Morphological Variation of Matricaria recutita L. II. Discriminant Analysis. Genetics and Breeding, vol. 20, 4, 1987, pp.319-326. (in Bulgarian)

24. Peneva, P.; Popova, E.: Einfluss von Einigen Genetischen und Oekologischen Unterschieden auf die Morphologischen Merkmale der Echten Kamille - Matricaria recutita L. Compt. Rend. Acad. Bulg. Sci., vol. 40, 5, 1987, pp.89-92.

25. Popova, E.; Peneva, P.: Grundfaktoren der Morphologischen Variabilitaet bei der Echten Kamille-Matricaria recutita L. Compt. Rend. Acad. Bulg. Sci., vol. 40, 4, 1987, pp.89-92.

26. Popova, E.: Program System for Primary Statistical Processing of Biological Information. IIIrd International Youth School-Conference of Genetics, pp. 381-383, 1986. (in Bulgarian)

27. Tsanev, V.; Popova, E.: Statistical Analysis of the Dependencies between Some Indicators in M2 Plants of Different Weat Varieties. Youth Conference in Genetics, BAS Publishinh, Sofia, 1985, pp. 233-237. (in Bulgarian)

28. E. Derekjuvlieva (Popova), V. Tzanev, P. Savov: Correlation and Regression Analysis of the Dependencies Between the Content of the Crude Protein and Lisine in M Plants of Different Wheat Varieties. Compt. Rend. Acad. Bulg. Sci., vol. 37, 7, 1984, pp.931-934.

29. P. Mirchev, E. Popova: Eeffect of the temperature regime during diapause on the rate and duration of lymantria dispar l. egg hatching. Forest Science, vol. 21, 6, 1984, pp.54-56.