Oregon State University. Agricultural Experiment Station; Mack, H. J.; Singh, J. N.; Ritcher, Paul O.; Baggett, James R.; Duncan, Andrew A.; Jensen, Harold J.; Hopper, W. Edward R.; Duncan, A. A.; Vaughan, E. K.; Bullock, R. M.; Varseveld, G.; Cain, Robert F. (Corvallis, Or. : Agricultural Experiment Station, Oregon State University, 1964-01)
