TY  - BOOK
ED  - Britannica Yearbook
TI  - Yearbook of science and the future (1981)
SN  - 0-85229-375-5
U1  - 505.8 21st
PY  - 1981///
CY  - Chicago
PB  - Encyclopedia Britannica
KW  - Science-Periodicals-1981
ER  -