@conference {39554,
	title = {Effect of breed of ram on the onset of the breeding season in Romney ewes},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {37},
	year = {1977},
	month = {Jan},
	pages = {142-148},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Tervit HR and Havik PG and Smith JF}
}
