@conference {39397,
	title = {The effect of soil ingestion on the Mg and Ca metabolism of sheep},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {33},
	year = {1973},
	month = {Jan},
	pages = {164-165},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Grace ND and Healy WB}
}
