Bibrowicz, Renata, and Mariola Jóźwiak. “A Preliminary Morphological Characteristics of Skulls From a Crypt of The Monastery Church at Lubiń, Leszno Voivodeship”. Anthropological Review, vol. 47, no. 1, June 1981, pp. 183-7, doi:10.18778/1898-6773.47.1.13.