00253nam a2200109 a 450000500170000008200190001710000190003624500310005525000120008626000210009830000240011920251203091744.0  a555.4,bD, Kri  aKrishnan, M.S.  aGeology of India and Burma  a6th ed.  aDelhibCBSc1982  aviii, 536p.c23 cm.