Search Constraints
Filtering by:
Creator
Johansen, C. A. (Carl A.)
Remove constraint Creator: Johansen, C. A. (Carl A.)
Contributor
Oldfield, J. E.
Remove constraint Contributor: Oldfield, J. E.
Non-Academic Affiliation
Oregon State University. Agricultural Experiment Station
Remove constraint Non-Academic Affiliation: Oregon State University. Agricultural Experiment Station