TY  - BOOK
AU  - Youngberg, Chester T.
TI  - Forest soils and land use: : proceedings of the Fifth North American Forest Soils conference..
U1  - 634.922 
PY  - 1980///)
CY  - Fort Collins, Colo.
PB  - Colorado State University
KW  - Suelos forestales
KW  - Tierras
KW  - Utilización
ER  -