00473nam a22001937a 450000500170000000600040001700700040002100800040002502000150002904000090004405000150005310000160006824500430008426000490012730000180017644000370019450000190023165000290025020170725113046.0000000000  a0199133689  aUOEL  aTD178b.F6  aFoster, Ian  aEnvironmental pollution /cFoster, Ian  aNew York :bOxford University Press,cc1991.  a48 p. :bill.  aContemporary Issues in Geography  aincludes index  aEnvironmental Technology