000 00266nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aRatan Chand Sharma
245 0 _aCharudattam evem Vyakaran
260 _aKarnal
_bKapoor Pub.
650 _aPol Science
942 _cBK
999 _c2152
_d2152