TY  - BOOK
AU  - Sundberg,U.
AU  - Silversides,C.R.
TI  - Operational efficiency in forestry: Analysis 
T2  - Forestry sciences
SN  - 9024736846 (set)
PY  - 1988///-
CY  - Dordrecht, Boston
PB  - Kluwer Academic Publishers
KW  - Forestry efficiency
KW  - Forests and forestry
KW  - Labor productivity
KW  - Forestry engineering
ER  -