R. Frenkel

Vegetational changes in the Willamette River Greenway in Benton and Linn Counties, 1972-1981

S. N. Wickramaratne, Eric F. Heinitz, R. Frenkel, 1983 .

FRUITING OF HYPOGEOUS FUNGI IN OREGON DOUGLAS-FIR FORESTS: SEASONAL AND HABITAT VARIATION

J. Trappe, R. Frenkel, D. Luoma, 1991 .

ACTIVATION ENERGIES FOR CREEP OF CADMIUM, INDIUM, AND TIN. Technical Report No. 36

J. E. Dorn, O. Sherby, R. Frenkel, 1954 .

EFFECT OF COLD WORK ON THE HIGH TEMPERATURE CREEP PROPERTIES OF DILUTE ALUMINUM ALLOYS

J. E. Dorn, O. Sherby, R. Frenkel, 1953 .

EFFECT OF STRESS ON THE CREEP RATES OF POLYCRYSTALLINE ALUMINUM ALLOYS UNDER CONSTANT STRUCTURE. Technical Report 24

J. E. Dorn, O. Sherby, J. Nadeau, 1953 .

Oregon's natural area preserves program : third biennial report to the State Land Board on the activities in 1977-78 of the Natural Area Preserves Advisory Committee

Glenn Juday, Robert Frenkel, David McCorkle, 1979 .

Introduction, establishment and spread ofSpartina patens on Cox Island, siuslaw Estuary, Oregon

Robert E. Frenkel, Theodore R. Boss, R. Frenkel, 1988, Wetlands.