PETRU, S. Colour, form, animals and deception in the ice age. Documenta Praehistorica, [S. l.], v. 35, p. 227–235, 2008. DOI: 10.4312/dp.35.17. Disponível em: https://journals.uni-lj.si/DocumentaPraehistorica/article/view/35.17. Acesso em: 3 oct. 2023.