000 00285nam a2200121Ia 4500
008 160710s1962 xx 000 0 und d
082 _a629.1388 NEL
100 _aNELSON,WALTER C.
245 _aSPACEMECHANICS
260 _bPRENTICE HALL INC.
_c1962
300 _a245
942 _2ddc
_cB
999 _c34560
_d34560