8[7]ALAN H V, JANE P.Sutherland Milk and Milk Products [M]. Chapman & Hall,1996.
9[10]WIGGONS G R,VANRADEN P M,PHILPOT J C.Techical note: detection and adjustment of abnormal test day Yield[J]. Journal of Dairy Science,86:2 721- 2 724.
10[21]LEE K W, HA Y S, BAICK S C,et al. Analysis of organic acids in dairy produces by HPLC[J]. Korean Journal of Dairy Science,1995,17(2):136- 145.