TY  - BOOK
AU  - Calhoun,Davis
TI  - Yearbook of Science and the future: 1993 
SN  - 0096-3291
PY  - 1992///
CY  - Chicago [etc.]
PB  - Encyclopaedia Britannica
KW  - Encyclopedia yearbooks
N1  - Index p. 489-512
ER  -