1. Early physiological mechanisms of weed competition;Afifi;Weed Sci.,2012
2. Competition for light between velvetleaf (Abutilon theophrasti) and soybean (Glycine max);Akey;Weed Res.,1990
3. Weed-Crop Ecology: Principles in Weed Management;Aldrich,1984
4. Weed-Crop Ecology: Principles in Weed Management;Aldrich,1997
5. The critical periods of competition between weeds and corn in the high valleys of Toluca, Mexico;Alemàn;Weed Sci. Soc. Am. Abstr.,1968