The Carnegie Library of Pittsburgh Science and Technology Dept. text Detroit Visible Ink Press c1994 monographic eng xvi, 523 p. : ill., maps ; 24 cm. compiled by the Science and Technology Department of the Carnegie Library of Pittsburgh. Includes bibliographical references (p. 449-472) and index. Science Miscellanea Q173 .H24 1994 500 0810394510 98132817 TxLT 070802 20190501181455.0 3094249