Ciepły , Jan, and Teresa Oracka. “Dry Matter Accumulation Nitrogen and Phosphorus Uptake in Winter Triticale Genotypes Differing in Mineral Elements Utilization Efficiency”. Plant Breeding and Seed Science, vol. 44, Dec. 2000, pp. 3-13, http://ojs.ihar.edu.pl/index.php/pbss/article/view/811.