Plich, Jarosław, and Beata Tatarowska. “FIELD EVALUATION OF POTATO RESISTANCE AGAINST PHYTOPHTHORA INFESTANS UNDER NATURAL INFECTION PRESSURE”. Plant Breeding and Seed Science, vol. 76, Dec. 2017, pp. 25-28, http://ojs.ihar.edu.pl/index.php/pbss/article/view/190.