Bennewitz, J.; Bögelein, S.; Stratz, P.; Rodehutscord, M.; Piepho, H. P.; Kjaer, J. B.; Bessei, W. (2014-04-01). "Genetic parameters for feather pecking and aggressive behavior in a large F2-cross of laying hens using generalized linear mixed models". Poultry Science (dalam bahasa Inggris). 93 (4): 810–817. doi:10.3382/ps.2013-03638. ISSN0032-5791. PMID24706957.
Bennewitz, J.; Bögelein, S.; Stratz, P.; Rodehutscord, M.; Piepho, H. P.; Kjaer, J. B.; Bessei, W. (2014-04-01). "Genetic parameters for feather pecking and aggressive behavior in a large F2-cross of laying hens using generalized linear mixed models". Poultry Science (dalam bahasa Inggris). 93 (4): 810–817. doi:10.3382/ps.2013-03638. ISSN0032-5791. PMID24706957.
worldcat.org
Bennewitz, J.; Bögelein, S.; Stratz, P.; Rodehutscord, M.; Piepho, H. P.; Kjaer, J. B.; Bessei, W. (2014-04-01). "Genetic parameters for feather pecking and aggressive behavior in a large F2-cross of laying hens using generalized linear mixed models". Poultry Science (dalam bahasa Inggris). 93 (4): 810–817. doi:10.3382/ps.2013-03638. ISSN0032-5791. PMID24706957.