Polle, E., Konzak, C. F., & Kittrick, J. A. (1978). Rapid screening of wheat for tolerance to aluminum in breeding varieties better adapted to acid cells. Agency for International Development.

Polle, E., C. F. Konzak, and J. A. Kittrick. Rapid Screening of Wheat for Tolerance to Aluminum in Breeding Varieties Better Adapted to Acid Cells. Washington, D.C.: Agency for International Development, 1978.

Polle, E., et al. Rapid Screening of Wheat for Tolerance to Aluminum in Breeding Varieties Better Adapted to Acid Cells. Agency for International Development, 1978.