au.\*:("ESPINOSA NW")
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YACIMIENTOS CHILENOS ESTRATIFORMES DE SULFUROS DE COBRE. = GISEMENTS STRATIFORMES DE SULFURE DE CUIVRE, DU CHILI.RUIZ FC; AGUILAR MA; EGERT RE et al.1971; MINERALES; 1971, VOL. 26, NUM. 0115, P. 3 A 13Miscellaneous
