TY  - BOOK
AU  - Shively ,Gerals E.
TI  - Land degradation , soil conservation and risk: evidence from a dynamic model of Philippine upland agriculture
PY  - 1996///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
N1  - Thesis (Ph.D) - University of Wisconsin - Madison , 1995
ER  -