000 00262nam a22001097a 4500
082 _a629.13338 HAL'R
100 _aHALEY, ANDREW G
_958957
245 _aROCKETRY AND SPACE EXPLORATION
260 _aNEWYORK
_bD. VAN NOSTRAND
_c1958
300 _a334P
942 _cBK
999 _c569023
_d569023