000 00611nab a2200205 1n4500
001 000074123
005 20210221175727.0
008 910805s1959 000 0 eng d
022 _a00791091
041 0 7 _aEng
_2ISO 639-1
084 _aRev 204
100 1 _aEntwistle, Lawson
245 1 0 _aEstimation of core recovery from diamond drill holes
650 0 4 _aFourage au diamant
650 0 4 _aExploitation minière
773 0 _tBoletín de la Sociedad geológica del Perú
_dLima : [s.n.], 1959
_g34, 1959, p. 29-31 : tab.
910 _aGSL
_c20150612
_h1023
942 _cANAL
999 _c166957
_d166957