共 9 条
- [1] Barker SB, 1941, J BIOL CHEM, V138, P535
- [2] BERG F, 1969, ARCH TIERERNAHR, V19, P487
- [3] FENNER H, 1967, DTSCH AKAD LANDWIRTS
- [4] FLIEG O, 1937, TIERERNAEHR, V9, P178
- [5] HARTMAN M., 1971, Zivocisna Vyroba, V16, P805
- [6] LEPPER W., 1933, Landwirtschaftliche Versuchsstation, V117, P113
- [7] LEPPER W, 1938, TIERERNAHRUNG FUTTER, V1, P187
- [8] LEPPER W, 1937, LANDW VERSUCHSSTATIO, V128, P129
- [9] VOIGT J, 1967, THESIS BERLIN, P34