McGraw-Hill encyclopedia of science and technology : an international reference work. - [3rd ed.]. - New York : McGraw-Hill, [1971] - 15 v. : ill. (part col.), maps (part col.) ; 28 cm. 15 v. : ill. (part col.), maps (part col.) ; 28 cm. 15 v. : ill. (part col.), maps (part col.) ; 28 cm.

Study guide and readers' guide in addition to main vols.

Includes bibliographies.

0070797986

70116670 //r902


Science -- Encyclopedias.--Science -- Encyclopedias.
30625Technology -- Encyclope--30625Technology -- Encyclope

Q121 / .M3 1971

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