TY  - BOOK
AU  - Youngberg, Chester T.
TI  - Forest-soil relationships in North America: : papaers presented at the second North American Forest Soils Conference, August 1963
U1  - 634.922 
PY  - 1965///
CY  - Corvallis
PB  - Oregon State University
KW  - Ecología forestal
KW  - Suelos forestales
ER  -