000 00364nam a2200133Ia 4500
008 231004s9999||||xx |||||||||||||| ||und||
020 _a978185095639
041 _aeng
082 _a622.34
_bT20 RAY C.
100 _aRay, H.S; Sridhar, R. and Abraham, K.P
245 0 _aExtraction of nonferrous methods
260 _bAffiliated East-West Press
_c2020
942 _cBK
999 _c23037
_d23037