000 00515 a2200253 4500
001 169453
020 _a
041 _aeng
080 _aLNASA TN D-2771
245 _aComputation of sub-satellite points from orbital elements. :
250 _a
260 _aWashington, D.C.
260 _bNASA
260 _c1965
300 _a36
300 _c
856 _uNASA
490 _aNBS : SMT : SP : 400 - 22 - 1976
100 _aChrist, Richard H.
700 _a
650 _a
650 _a
942 _cPP
942 _2UDC
999 _c190697
_d190697