TY  - BOOK
AU  - Smith, J. Russell 
TI  - Tree crops: a permanent agriculture
U1  - 634 21st ed.
PY  - 1929///
CY  - New York
PB  - Harcourt, Brace
KW  - Field crops
KW  - Tree crops
KW  - Trees
N1  - Index: pp 319-33
ER  -