000 00246nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aD P Gupta/ D D Singal
245 0 _aBeema ke mool tatva
260 _aRohtak
_bRamakrishna Pub.
_c1985
942 _cBK
999 _c5206
_d5206