TY  - BOOK
AU  - Ritchie, Gary A.
TI  - New agricultural crops
T2  - AAAS selected symposium
U1  - 581.632 
PY  - 1979///
CY  - Washington
PB  - American Association for the Advancement of Science
KW  - Botánica económica
KW  - Plantas comestibles
ER  -