00552nam a2200193Ia 450000500170000000800410001702000160005804000190007404100120009308200160010524500730012126000400019430000270023450400360026165000150029765100150031270000210032785000100034820230711083510.0131103s9999    xx            000 0 und d  a817022462 4  aLoreto College  aEnglish  a581.5bSIN   aFrontiers in environment geographycEdited by Onkar Singh and others  aNew DelhibConcept Publishingc1993  a436 p.b ill., figures  aIncludes index and bibliography  aEcology -   aEcology -   aSingh, Onkar,ed.  aLCLIB