000 00246nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aP K Varseney & others
245 0 _aLekhakaram ke siddhaant
260 _aAligarh
_bNavmaan Pub
_c1986
942 _cBK
999 _c5831
_d5831