00327nam a2200121Ia 45000030006000000080041000060400015000471000020000622450085000822600009001675460012001760050017001880STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aCorbett,L.S. Ed  aTransaction of the Mining Geological and Metallurgical institute of India Vol-49  c1952  aEnglish20220125165511.0