00517nam a22001817a 450000500170000001000150001702000220003202000250005403500130007903700130009208200100010510000300011524500650014526000430021027000570025330000220031070000030033220100819115717.0  aENG-100914  a8190774336c70.00  a9788190774338c70.00  aEN-84447  bDBAD/PUB  a551.4  aSelvi, A. Mary Thiruvalar  aLand forms and their evolution /cby A.Mary Thiruvalar Selvi  aChennaibThirukkural Pathippagamc2009  bChennaie600078aNo.66, Periyar Street, M.G.R. Nagar  a120p.c20cm (pbk)