D. A. V. Sanford

Wheat vegetative nitrogen compositional changes in response to reduced reproductive sink strength.

D. V. Van Sanford, C. Mackown, N. Zhang, 1992, Plant physiology.

Variation in nitrogen use efficiency among soft red winter wheat genotypes

C. Mackown, D. A. Sanford, C. T. Mackown, 1986, Theoretical and Applied Genetics.