共 23 条
[1]
[Anonymous], 1985, RUMINANT NITROGEN US
[4]
HELWIG JT, 1979, STATISTICAL ANAL SYS
[5]
HUNTINGTON G, 1985, FED PROC, V44, P760
[8]
HUNTINGTON GB, 1986, FASEB J, V45, P606
[10]
HUNTINGTON GB, 1986, FED PROC, V45, P2272