Studies on improvement of Cheju native cattle by three-breed crossing. 1. Genetic and environmental effects on preweaning growth of Cheju, Brahman, Santa Gertrudis, Charolais and Holstein cattle and their two- and three-way crosses Kim, D.C.; Lee, H.S.; Paik, Y.K.; Jin, S.H.; Kim, S.H. Research Reports of the Rural Development Administration, Livestock 33(2): 1-5 1991 https://eurekamag.com/research/002/231/002231744.php