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Ventilating poultry houses with fans

Matson, Walter E.; Fanning, Paul Kenneth; Jenkins, W. R.; Wichers, H. E. (Henry Evert) (Pullman, Washington : Washington State University. Extension., 1961-05)

Ventilating poultry houses with fans

Matson, Walter E.; Fanning, Paul Kenneth; Jenkins, W. R.; Wichers, H. E. (Henry Evert) (Pullman, Washington : State College of Washington. Extension Service., 1958-06)