00575cam a2200169 a 4500 0070792925 (set) : 503 MCG L-31, P-99 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. 0 0 0 503_000000000000000_MCG MCE 379 Science Encyclopedias. 47100 Technology Encyclopedias. 47101 ddc BK 550398 550398 0 0 ddc 0 0 MCE MCE 2014-11-07 0 503 MCG MCE-25855 2014-11-07 2014-11-07 BK