Batkin, Daniel B.. Environmental science : earth as a living planet / Daniel B. Batkin and Edward A. Keller. - New York : John Wiley , 1995. - xxx,680p. : ill.,figs.,photo.,table ; 27cm . NULL ISBN: NULL (Pbk) Subjects--Index Terms: ENVIRONMENTAL SCIENCES Dewey Class. No.: 363.7 / BAT/E