Improving mountain logging planning, techniques and hardware - proceedings : a joint symposium of the I.U.F.R.O. Mountain Logging Section and the Sixth Pacific Nortwest Skyline Logging Symposium, held at the University of British Columbia, Vancouver, British Columbia, May 8 to 11, 1985

Förlag	År	Ort	Om boken	ISBN
FERIC	1985?	Kanada, Vancouver	164, 8, 40 sidor.