000 00268nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aPrakashan Vibhag, Bharat Sarkar
245 0 _aBharat 1973
260 _aDelhi
_bPrakashan Vibhag
_c1973
650 _aMath
942 _cBK
999 _c1865
_d1865