TY  - BOOK
TI  - Yearbook of science and future
U1  - 505 
CY  - Chicago
PB  - Encyclopaedia Britannica, inc.
N1  - Yearbook of science and future: (1975: year-1974); (1974: year-1973); (1972: year-1971); (1971: year-1970); (1976: year-1975, page- 447p.); (1973: year-1972); (1970: year-1969)
ER  -