共 21 条
- [1] DAHLBERG AC, 1941, N Y AGR EXPT STA B, V697
- [2] DAHLBERG AC, 1935, N Y AGR EXPT STA B, V654
- [3] DODD FH, 1947, J DAIRY RES, V15, P1, DOI 10.1017/S002202990000488X
- [5] ESPE DWIGHT, 1942, JOUR DAIRY SCI, V25, P155, DOI 10.3168/jds.S0022-0302(42)95276-7
- [6] KNODT CB, 1947, J DAIRY SCI, V30, P580
- [7] KNOOP CE, 1948, J DAIRY SCI, V31, P694
- [8] KORKMAN N., 1948, Kungliga Lantbruksakademiens Tidskrift, V87, P161
- [9] MATHEWS CA, 1928, IOWA AGR EXPT STA B, V248
- [10] MEIGS E. B., 1938, Journal of Dairy Science, V21, P165