TY  - BOOK
AU  - Smith,J.Russell
TI  - Tree crops: a permanent agriculture 
SN  - 0933280440 (pbk.) :
U1  - 634.5 23
PY  - 1987///], c1950
CY  - Washington, D.C.
PB  - Island Press
KW  - Tree crops
KW  - United States
N1  - Includes index
ER  -