TY  - BOOK
AU  - CONWAY, Steve
TI  - Logging Practices, Principles of Timber Harvesting Systems 
SN  - 0-87930-144-9
PY  - 1982///
CY  - America
PB  - Miller Freeman Publications
KW  - EXPLOTACION FORESTAL
KW  - RECOLECCION
KW  - MADERA
ER  -