00463nam a2200157 a 450000500170000000800410001702000150005804100080007308200130008110000190009424500740011326400500018730000270023765000230026465000180028720260717091609.0260717s1997    ii            000 0 eng d  a8170226074  aeng04a910.16281 aNag, Prithvish10aGeography and environment Vol - 2 : regional issues /cNag, Prithvish 1aNew Delhi :bConcept Publication Co.,,c1997.  a328 p. : ill. ; 21 cm. 4aPhysical geography 4aHuman ecology