McGraw-Hill encyclopedia of science & technology : an international reference work in twenty volumes including an index. - 6th ed. - New York : McGraw-Hill, c1987. - 20 v. : ill. ; 29 cm. ISBN: 0070792925 (set) : Subjects--Topical Terms: MCEScience--Encyclopedias.Technology--Encyclopedias. Dewey Class. No.: 503 / MCG