Laser technology II : 7-10 September 1987, Szczecin, Poland
Joint Soviet-American Workshop on the Physics of Semiconductor Lasers, Leningrad, USSR 1991
A spacefaring people : perspectives on early spaceflight
Symposium Radartechnik : in Wachtberg-Werthhoven, 6.-8. Nov. 1979
Advances in modeling and testing of materials and vehicle structures for crash safety applications