000 00304nam a22001337a 4500
003 OSt
005 20230222140720.0
008 230222b ||||| |||| 00| 0 eng d
100 _aR.K. RAJPUT
245 _aENGINEERING MATERIALS
260 _aNEW DELHI
_bS.CHAND
_c2011
300 _a489p.
942 _2ddc
_cBK
999 _c1949
_d1949