TY  - BOOK
TI  - The Facts on File encyclopedia of science
SN  - 0816040087 (set : alk. paper)
U1  - 503 
PY  - 1999///
CY  - New York, NY
PB  - Facts on File
KW  - Science
N1  - v. 1. A-K -- v. 2. L-Z
ER  -