00872nam a2200277Ia 45000010006000000050017000060070003000230080041000260200018000670400025000850410008001100820018001181000018001362450116001542500014002702600053002843000019003375040010003566530012003666530018003786530023003966530019004199420012004389520127004509990017005773303520240114001631.0ta061205s1993           g     b000 u 465 u  a0 521 42019 9  aCotton College,Assam  a465  a904bAg 37 Ne  aAger, Derek . 0aThe New Catastrophism: The importance of the Rare Event in Geological History /cDerek Ager.hTextual Documents  a1st ed. /  aCambridge :bCambridge University Press ,c1993.  a231p. ;c22cm.  aIndex  aGeology  aCatastrophism  aGeological History  aDeptt.-Geology  2ddccBK  001040708Dept.GeologyaSKBLbSKBLd2012-02-01f00000l0o904 Ag 37 Nep602/Geolr2024-01-14 00:00:00t1w2012-02-01yBK  c33017d33017