000 002740000a22001210004500
245 _aCopper, its geology and economics
100 _aBowen, R.
100 _aGunatilaka, A.
260 _aLondon
_bApplied Sc.
_c1977
080 _a553.43
_bB6
041 _aEN
942 _cBK
999 _c113044
_d113044