000 00291nam a2200121Ia 4500
008 230724s1990 xx und d
020 _a9780000000000
041 _aeng
100 _aPANDYA YATIN
245 _aELEMENTS OF SPACEMAKING.
260 _bMAPIND PUB U.S.A
_c1990
300 _a215
999 _c1175665
_d1175665