000 00385nam a2200181Ia 4500
003 NDCL
008 180829s9999||||ii |||||||||||||| ||eng||
020 _a6633
040 _aNDCL
041 _aEnglish
082 _a520 KRM
_216th ed
100 _aGhosh, S.C.
100 _aKhan, R M
245 0 _aAstronomy
_cR M Khan
260 _c1990
650 _aMathematics
942 _2DDC
_cBK
999 _c9679
_d9679