TY  - BOOK
AU  - Frederick, Kenneth D.,
AU  - Sedjo,Roger A.,
TI  - America`s Renewable Resources  : : historical trends and current challenges / 
SN  - 9781617260506(hbk)
U1  - 333.70973 
PY  - 1991///
CY  - Londan
PB  - Rff Press
ER  -