TY  - BOOK
AU  - Britannica, Encyclopaedia
AU  - 
TI  - Britannica year book of science and the future
U1  - 5(058) 
PY  - 1972///
CY  - Chicago
PB  - U.S.A
KW  - Scientific periodicals
KW  - Periodicals
KW  - Journals
N1  -  Annual 1971-77
ER  -