TY  - BOOK
AU  - MsDonald, Philip M.
AU  - Helgerson, Ole T.
ED  - E.U.A. Forest Service.
TI  - Mulches aid in regenerating California and Oregon Forests: : past, present and future
T2  - General Technical report PSW-123
PY  - 1990///
CY  - Berkeley, California
PB  - Pacific Southwest Research Station
KW  - Bosques
KW  - California
KW  - Oregon
KW  - Regeneración
ER  -