@article{025768085,
title = "The effect of two methods of supplementation of phosphorus to young beef steers on Rooigras Veld",
author = "Niemann, P.A. and Van Schalkwyk, A.",
year = "1963",
journal = "S African Jour Agric Sci",
volume = "6",
number = "1",
pages = "31-39",
url = "https://eurekamag.com/research/025/768/025768085.php"
}