000 00434cab a2200193 4500
001 A148
008 090401t xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u27285
041 _aeng
100 _aShackley, D.
245 _aPerlite and the perlite industry
350 _a0
650 _aPERLITE INDUSTRY
650 _aPERLITE
690 _aMINING AND MINERALS
700 _aAllen, M.J.
942 _n0
948 _c04/03/1997
999 _c18364
_d18364