Dewell, R. D., Dewell, G. A., Bear, D. A., Weber, W., Griffin, D. D. and Rowe, E. W. (2016) “Description and justification of a consistent technique for euthanasia of bovines using firearm and penetrating captive bolt”, The Bovine Practitioner, 50(2), pp. 190–195. doi: 10.21423/bovine-vol50no2p190-195.