1992 science year : [electronic resource] the World book annual science supplement : a review of science and technology during the 1991 school year.
1992 science year : : the World book annual science supplement : a review of science and technology during the 1991 school year. [electronic resource] Science year : the World book annual science supplement . — Chicago : : World Book,, c1991.. — 400 p. : : col. ill., maps, ports. ; 26 cm.
Includes bibliographical references and index.
0716605929 9780716605928
Science--History.
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