Science year, 1993 : the world book annual science supliment a review of science and technology /
- Chicago, IL : World book, 1993.
- v. : ill. (some col.) ; 26 cm.
Includes index
0716611937
Science--Year books
Technology--Year books
505.2 / SCI
Includes index
0716611937
Science--Year books
Technology--Year books
505.2 / SCI