Contacts

• Rene Willems
  TNO Defence and Security
  Oude Waalsdorperweg 63, PO Box 96864
  2509 JG the Hague
  e-mail: rene.willems(a)tno.nl
  
  
• Tsvetomir Tsachev
  Institute of Mathematics and Informatics
  Bulgarian Academy of Science
  Acad. G.Bonchev str., block 8
  1113 Sofia, Bulgaria
  e-mail: tsachev(a)math.bas.bg