000 00264nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a531 MAT
100 _aMATHUR (D.S.)
245 _aMechanics
260 _anew delhi
_bS.Chand
365 _cRS
999 _c176962
_d176962