PakCat catalogue record Environmental science a study of interrelationships By Enger, Eldon D. Bibliographic details ISBN0072304952 PublisherMcGraw-Hill Publication placeBoston, Mass Publication year2000 Edition7th ed. LanguageEnglish Material typeBook Physical descriptionxxi, 434 p. Additional authorsSmith, Bradley Fraser. SubjectsEnvironmental sciences., Environmental Management (General).