00798nam0-2200289---450-99000970913040332120130411092104.0000970913FED01000970913(Aleph)000970913FED0100097091320130404d1955----km-y0itay50------baengUSa-------001yyClassification of rocksby Russell B. TravisGoldenColorado school of mines195598 p., [3] c. di tav.ill.23 cmGeologia applicataTravis,Russell B.519605ITUNINARICAUNIMARCBK990009709130403321N2/235959DINGEDINGEClassification of rocks844219UNINA