000 00285nam a2200121Ia 4500
041 _aEN
082 _a600
_bJEN
100 _aJensen, Jorgen .
245 0 _aDesign Guide to Orbital Flight / Jorgen Jensen.
260 _bNew York : McGraw Hill ,
_c1962
300 _a896
942 _cBK
999 _c15250
_d15250