@book{207644,
	author = {Hopper, Richard M.},
	title = {Bovine reproduction /},
	publisher = {Wiley,},
	year = {2014.},
	address = {Hoboken :},
	note = {Chapter 14 Inability to Breed due to Injury or Abnormality of the External Genitalia of Bulls.},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9781118833971}
}