00843nam0-2200301---450-99000964176040332120130619141943.0000964176FED01000964176(Aleph)000964176FED0100096417620121031d1931----km-y0itay50------baengGBa-------001yyGeneral stratigraphyby J.W. Gregory and B.H. BarretLondonMethuen and Co.1931XII, 285 p.ill.19 cmPetrografiaPetrologiaGregory,John Walter<1864-1932>74994Barrett,B.H.518083ITUNINARICAUNIMARCBK99000964176040332103/14079/LDINGEDINGEGeneral stratigraphy848112UNINA