Borgstrom, G. Too many:an ecological overview of earth's limitations - Collier Books New York 1969 - xiii,460,tables,maps - Forests Food Microorganisms Water crisis Fish cultivation Lakes Dams Earth's limitations = Borgstrom, G. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 0294 Nat. Bib. Agency Control No.: 577.4 BOR Subjects--Topical Terms: Environmental Sciences Universal Decimal Class. No.: 577.4