Thacker, 1990. In: Thacker, P. A.; Kirkwood, R. N.(Eds) Nontraditional feed sources for use in swine production. Butterworth Publishers, Stoneham, Massachusetts, pp. 69–78

Thacker, P. A., 1990. Canola meal. In: Thacker, P. A.; Kirkwood, R. N.(Eds) Nontraditional feed sources for use in swine production. Butterworth Publishers, Stoneham, Massachusetts, pp. 69–78