TY  - BOOK
AU  - Pierce John T
TI  - Food resoruce 1990
T2  - Themes in resoruce management
U1  - U672(J), N0 
PY  - 1990///
CY  - New York
PB  - Longman Scientific & Technical U S A   
KW  - Agricultural Geography
N1  - Bib p. 314-28
ER  -