000 00292nam a22000977a 4500
008 240801b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aSpace simulation
260 _aBureau:
_bU.S.department of Commerce,
_c1970
942 _2udc
_cBK
999 _c65540
_d65540