TY  - BOOK
AU  - Brockman,John
TI  - The Next fifty years: science in the first half of the twenty-first century 
SN  - 0375713425 (rústica)
AV  - Q125 N485
U1  - 501/.12 21
PY  - 2002///
CY  - New York
PB  - Vintage Books
KW  - Ciencia
KW  - Predicción
N1  - "A Vintage original"--Reverso de la port
ER  -