BLOKHUIS, Aart, STORME, L. in SZŐNYI, Tamás, 2019, Relative blocking sets of unions of Baer subplanes. Designs, codes and cryptography [na spletu]. 2019. Vol. 87, no. 4, p. 865–877. [Dostopano 6 april 2025]. DOI 10.1007/s10623-018-0575-1. Pridobljeno s: https://link.springer.com/article/10.1007%2Fs10623-018-0575-1
