Shear-pin joints with 2x4, 2x6, and 2x8 lumber for axial loading /
Perkins, Robert Henry,1921-author.
Suddarth, Stanley K.(Stanley Kendrick),1921-author.
Purdue University.Agricultural Experiment Station,publisher.
Purdue University.Wood Research Laboratory.
Caption title.
Includes bibliographical references (page 18).