@article{007676972, title = "Prediction of the voluntary intake of grass silages by beef cattle 2. principal component and ridge regression analyses", author = "Rook, A.J. and Dhanoa, M.S. and Gill, M.", year = "1990", journal = "Animal Production", volume = "50", number = "3", pages = "439-454", issn = "0003-3561", doi = "10.1017/s000335610000492x", url = "https://eurekamag.com/research/007/676/007676972.php" }