The substitution of other materials for wood ...
Thelen, Rolf.
The substitution of other materials for wood ... By Rolf Thelen ... - Washington, Govt. Print. Off., 1917. - 78 p. incl. diagrs. 23 cm. - United States. Dept. of Agriculture. Report, no. 117 . - United States. Department of Agriculture. Report, no. 117. .
Studies of the lumber industry; pt. XI. Contribution from the Forest service.
agr17001005
Wood--Substitues.
S24 / .A825
1Ag84Sp no.117
The substitution of other materials for wood ... By Rolf Thelen ... - Washington, Govt. Print. Off., 1917. - 78 p. incl. diagrs. 23 cm. - United States. Dept. of Agriculture. Report, no. 117 . - United States. Department of Agriculture. Report, no. 117. .
Studies of the lumber industry; pt. XI. Contribution from the Forest service.
agr17001005
Wood--Substitues.
S24 / .A825
1Ag84Sp no.117