W. A. Nichols

NICHOLS, W. A., & RUFTY, R. C. (1992). ANTHER CULTURE AS A PROBABLE SOURCE OF RESISTANCE TO TOBACCO BLACK SHANK CAUSED BY PHYTOPHTHORA-PARASITICA VAR NICOTIANAE. THEORETICAL AND APPLIED GENETICS, 84(3-4), 473–479. https://doi.org/10.1007/bf00229509