00265nam a2200109Ia 4500082002100000100002200021245003200043260005600075300001400131500000500145700000500150  a555.484bD979.GA  aDutt, N. V. B. S.  aGeology of Andhra Pradeshb  aHyderabadbAndhra Pradesh Akademi of Sciencesc1975  axii, 94p.  a  a