Oregon State University. Agricultural Experiment Station; Smith, Robert L.; Bullock, Richard M.; Mack, H. J.; Frazier, W. A.; Baggett, James R.; Vaughan, E. K.; Varseveld, G. W.; Cain, R. F.; Rodgers, J. B.; Booster, D. E. (Corvallis, Or. : Agricultural Experiment Station, Oregon State University, 1965-07)
