共 28 条
- [1] ARCHIBALD JG, 1943, MASS AGR EXP STA B, V406
- [2] BARTLETT S., 1938, JOUR DAIRY RES, V9, P263, DOI 10.1017/S0022029900002545
- [3] UREA AS AN EXTENDER OF PROTEIN WHEN FED TO CATTLE [J]. JOURNAL OF ANIMAL SCIENCE, 1947, 6 (04) : 445 - 460
- [5] BRIGGS HM, 1946, OKLAHOMA AGR EXP STA, V296, P24