TY  - BOOK
AU  - Hans M. Gregersen
AU  -  Arnoldo H. Contreras, 
TI  - Economic analysis of forestry projects
SN  - 81-7089-169-8
U1  - 634.92 
PY  - 1979///
CY  - Dehra Dun
PB  - International Book Distributors
N1  - Hans M. Gregersen & Arnoldo H. Contreras: Economic analysis of forestry projects.  Dehra Dun.  International Book Distributors, 1979. 81-7089-169-8--(634.92GRE)
ER  -