000 00294nam a22001097a 4500
082 _a500.5
_bSEM.N2
245 _aSeminars of the United Nations Programme on Space Applications
_cUnited Nations
260 _aNew York
_bUnited Nations
_c1992
300 _a209p
650 _aSpace
942 _cUN&WB
999 _c685667
_d685667