TY  - BOOK
AU  - Halacy, Daniel Stephen
TI  - 9 roads to tomorrow
PY  - 1966///]
CY  - [New York] : 
PB  - MacFadden-Bartell, 
KW  - TECNOLOGIA
KW  - INGENIERIA
N1  - Adapted by Ralph K. Andrist
ER  -