TY  - BOOK
AU  - Clawson Marion
TI  - Decision marketing in timber production harvest an
T2  - Researces for the future research paper 4
U1  - X9(JB):51.73.N7, L7 
PY  - 1977///
CY  - Washington
PB  - Researces for the Future       
KW  - Foresty  Industry
ER  -