000			00720nam a22001817a 4500
008			230616b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_a629.78(082.2) _bL0
245			_aXixth International astronautical congress: _bNew York, 1968 _c/ PWN-Polish Scientific Publishers,
260			_aOxford: _bPWN-Polish Scientific Publishers, _c1970
500			_aVol. 1 (Spacecraft systems); x, 551p. Vol. 2 (Astrodynamics and astrionics); viii, 588p. Vol. 4 (Bioastronautics); viii, 298p.
650			_aSpace vehicles
653			_aAstrodynamics
653			_aAstronautics
700			_aContensou P (Ed.)
700			_aDuboshin, G N (Ed.)
942			_2udc _cPR
999			_c43971 _d43971