TY  - SER
TI  - Science year :1980: the World book science annual
AV  - Q9 .S35
PY  - 1982///
CY  - Chicago
PB  - Field Enterprises Educational Corporation
KW  - Science
KW  - Periodicals
KW  - Sciences
KW  - Périodiques
N1  - Published by: World Book-Childcraft International, 1979-1982; World Book, 1983-
ER  -