TY  - BOOK
AU  - Zelenny,O.Robert
AU  - Richard A. Harmet
TI  - Science Year:  : the World Book Annual Science Supplement
T2  - A review of Science and technology during the 1990 school year
SN  - 0-7166-0591-0
AV  - REF Q181.AIS34 1991 
PY  - 1991///
CY  - Chicago
PB  -  : World Book
KW  - Science,
KW  - Year books
N1  - Includes index
ER  -