A comparison of two log-grading systems /
by C.S. Walter and A.M. Herrick
APA Citation
Walters, C. S. (Charles S.)., Herrick, A. M. (Allyn Marsh). (1956). A comparison of two log-grading systems. Urbana, Ill.: University of Illinois Agricultural Experiment Station.
MLA Citation
Walters, C. S. (Charles S.), and Allyn M. (Allyn Marsh) Herrick. A Comparison of Two Log-grading Systems. Urbana, Ill.: University of Illinois Agricultural Experiment Station, 1956.
Warning: These citations may not always be complete (especially for serials).