http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Photographic guide of selected external defect indicators and associated internal defects in white oak
Northeastern Forest Experiment Station (Radnor, Pa.)
1 online resource (24 pages) : illustrations.
Everette D. Rast, John A. Beaton, David L. Sonderman.
Title from title screen (viewed on June 25, 2013).
Includes bibliographical references (page 24).
Research paper NE (Broomall, Pa. : 1988) ; 628