000 003490000a22001450004500
008 140223b1981 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aH1:19 M1
082 _aH1:19 M1
100 _aGraig (J R)
700 _aVaghan (D J)
245 _aOre microscopy and ore petrography
260 _c1981
650 _aMineral Resources
999 _c156120
_d156120