Silversides C. R. , Sundberg U. :Practice. T. 2, Operational efficiency in forestry.
Silversides C. R. , Sundberg U. :Practice. T. 2, Operational efficiency in forestry.
- Dordrecht : Kluwer, 1989.
- XVIII, 169 s. ; 24 cm.
9024736846
9024736846