000 00283nam a2200109Ia 4500
008 221007s9999 xx 000 0 und d
100 _aD S Mathur & Dr. P S Hemne
245 0 _aMechanics
260 _aS Chand & Company Ltd.
_bS Chand & Company Ltd.
_c2018
300 _a834
942 _cBK
999 _c4949
_d4949