000 00273nam a22001097a 4500
005 20210727155850.0
008 210727b ||||| |||| 00| 0 eng d
041 _aeng
100 _aArora, D. S.
_924505
245 _aTB of engineering materials
_cby D. S. Arora
942 _cBK
999 _c62324
_d62324