McGraw-Hill encyclopedia of science & technology. - 8th ed. - New York McGraw Hill 1997. - 20 v. ill. (some col.), maps (some col.) 29cm 1 activity guide An international reference work in twenty volumes including an index Includes bibliographical references and index ISBN: 0079115047 Subjects--Topical Terms: Science--EncyclopediasTechnology--Encyclopedias Dewey Class. No.: 503 MCG 1997