TY  - BOOK
AU  - Baumgartner,David M.
AU  - Lotan,James E.
TI  - Ponderosa pine the species and its management : symposium proceedings / 
PY  - 1987///
CY  - Pullman : 
PB  - Washington State University, 
KW  - PINUS PONDEROSA
KW  - ECOLOGIA
KW  - SILVICULTURA
ER  -