Nova Science Publishers, Inc..

2009 International Conference on Ultra Modern Telecommunications and Workshops.

60th International Astronautical Congress 2009, IAC 2009.

Royal College of Obstetricians and Gynaecologists.

Springer New York LLC.

17th Saint Petersburg International Conference on Integrated Navigation Systems, ICINS 2010. State Research Center of the Russian Federation.

Element D.O.O..

Polish Academy of Sciences.

Center for Environmental and Energy Research and Studies.