129) Holleben, K.v.; Parotat, S.; Hiller, A.; Moje, M. (2015): Evaluation of cattle head fixation for captive bolt stunning under practical conditions – how tight and how fast? HSA International Symposium: Recent Advances II. Jul 16-17 2015, Zagreb, Kroatien, Book of abstracts, p. 14; https://www.hsa.org.uk/downloads/hsa-symposium-abstract-book.pdf
