01091nam a2200277 i 450099100119026970753620020507112642.0960309s1968 uk ||| | eng b10186219-39ule_instLE00643648ExLDip.to Fisicaita53(082.2)629.19International Astronautical Congress on propulsion and re-entry463593Propulsion and re-entry :proceedings of the XVIIIth International Astronautical Congress held at Belgrade, 1967 /edited by M. Lunc...[et al.]Oxford :Pergamon,1968306 p. ;24 cm.International Astronautical Congress ;18 (3)AstronauticsCongressesLunc, M..b1018621917-02-1727-06-02991001190269707536LE006 53(042+082.2) BELV. 312006000031783le006-E0.00-l- 00000.i1022898627-06-02Propulsion and re-entry190289UNISALENTOle00601-01-96ma -enguk 01