共 30 条
- [2] ASMUSSEN RA, 1954, 9TH P DIST FEED RES, P29
- [4] BENTON DA, 1955, 128TH M AM CHEM SOC, pC10
- [7] COMBS GF, 1955, FEEDSTUFFS, V27, P45
- [8] COMBS GF, 1955, FEEDSTUFFS, V27, P39
- [9] COMBS GF, 1955, FEED AGE, V5, P50
- [10] COUCH JR, 1952, 7TH P DIST FEED C, P59