TY  - BOOK
AU  - Wackerman,A.E.
AU  - Hagenstein,W.D.
AU  - Michell A.S.
TI  - Harvesting timber crops
PY  - 1966///
CY  - New York
PB  - McGraw-Hill
KW  - Logging
KW  - vocational guidance
KW  - Harvesting
KW  - technique
ER  -