000 00258nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aO P Chug/ P N Gupta
245 0 _aText book on mechanics
260 _aNew Delhi
_bLaxmi Pub
650 _aMath
942 _cBK
999 _c7968
_d7968