000 00321nam a2200133Ia 4500
008 200615s9999||||xx |||||||||||||| ||und||
020 _a8174090487
082 _a620
_bSTR-D
100 _aDR.SADHU SINGH
245 0 _aSTRENTH OF MATERIALS
250 _a6TH
260 _anew delhi
_bKHANNA PUBLICATION
_c2017
942 _cBK
999 _c28539
_d28539