00321nam a2200121Ia 4500003000400000008004100004020001500045040000800060100001700068245007800085260002900163300000700192LDD181029s9999    xx            000 0 und d  a8170222893  cLDD  aMandal, R.B. 0aPatterns of regional geographyban international perspectivecR.B. Mandal  aNew DelhibConceptc1990  a3v