共 20 条
[1]
CHRISTIAN K. R., 1954, NEW ZEALAND JOUR SCI AND TECHNOL SER A, V36, P328
[2]
CLARK JH, 1974, J ANIM SCI, V39, P235
[5]
HEAD M. J., 1965, J BRIT GRASSLAND SOC, V20, P106
[6]
HENDERSON HE, 1970, REP BEEF CATTLE RES, P63
[7]
HORTON GMJ, 1973, THESIS U LONDON
[10]
KAY M, 1972, APR US FEED GRAINS C, P39