1. Aldrich, R.J., 1984a. Nature of weed competition. In: Weed–Crop Ecology. Principles in Weed Management. Breton Publishers, Belmont, CA, pp. 189–213.
2. Aldrich, R.J., 1984b. Competitiveness of weeds. In: Weed–Crop Ecology. Principles in Weed Management. Breton Publishers, Belmont, CA, pp. 159–187.
3. Jointed goatgrass (Aegilops cylindrica) ecology and interference in winter wheat;Anderson;Weed Sci.,1993
4. Winter wheat yield reduction from interference by Italian ryegrass;Appleby;Agron. J.,1976
5. Evaluating the impact of a trait for increased specific leaf area on wheat yields using a crop simulation model;Asseng;Agron. J.,2003