00511nam a22001697a 450000500170000001000140001702000250003103500130005603700130006908200120008210000150009424500540010926000350016327000700019830000330026850000400030120100810104911.0  aENG-99202  a9788190770545c50.00  aEN-82734  bDBAD/PUB  a551.302  aGeetha, A.  aProcess of weathering and erosion /cby A. Geetha  aChennaibPuthanga Poongac2007  aNo.17/9, Sundraeswarar Kovil Street , RoyapettahbChennaie600014  a85p.c20cm (pbk)eb&w photos  aIncludes bibliographical references