TY  - BOOK
AU  - Duerr, William A.
AU  - Duerr, William A.
TI  - introduction to forest resource economics
SN  - 0070179824
AV  - SD393 .D835 1993 
PY  - 1993///
CY  - New york
PB  - McGRAW-HILL
KW  - agriculture
N1  - include index
ER  -