a study of interrelationships Enger, Eldon D. creator Smith, Bradley F. text Boston McGraw-Hill c1995 monographic x, 431 p. : some col. ill. ; tabs and figs. ; 28 cm. Eldon D. Enger [and] Bradley F. Smith. Includes appendices, credits, glossary and index. Ecology 574.5 E576 1995 069715906X