TY  - BOOK
AU  - Heiskanen , V.J. 
TI  - Portable and semiportable wood chipping machines
U1  - 621.93 21st ed.
PY  - 1962///
CY  - Geneva
PB  - United Nations Publications
KW  - Forestry machinery
KW  - Sawmilling
KW  - Saws
KW  - Tools
KW  - Wood handling
N1  - Part 1: Uses of chipping machines and wood chips
ER  -