Sulewska, Hanna, Jozef Adamczyk, Hennryk Cygert, Janusz Rogacki, Grazyna Szymanska, Karolina Smiatacz, Katarzyna Panasiewicz, and Kamila Tomaszyk. 2014. “A Comparison of Controlled Self-Pollination and Open Pollination Results Based on Maize Grain Quality”. Spanish Journal of Agricultural Research 12 (2), 492-500. https://doi.org/10.5424/sjar/2014122-4970.