00315nam a2200145Ia 45000030006000000080041000060400015000471000027000622450030000892500006001192600009001253000006001345460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBhaskar Chandra Biswas  aLearn and Teach Geography  a1  c2007  a0  aEnglish20220125171406.0