000 00342nam a2200133Ia 45e0
008 181001s1967 xx 000 0 und d
100 _aBramhanand
245 0 _aCo ordinate solid geometry
250 _a1967
260 _c1967
300 _a680
700 _aTyagi B.S.
942 _2ddc
_cBK
999 _c356
_d356