00397nam a2200133 a 450000500170000000800410001704100080005808200110006610000280007724500640010526400400016930000310020965000230024020260717090912.0260717s1970    ii            000 0 eng d  aeng04a910.021 aMonkhouse, Francis John10aPrinciples of physical geography /cMonkhouse, Francis John 1aNew Delhi :bOrient Longman,c1970.  aix, 570 p. : ill. ; 20 cm. 4aPhysical geography