共 24 条
[2]
Dyrmundsson O. R., 1973, Animal Breeding Abstracts, V41, P273
[4]
DYRMUNDSSON OR, 1976, 24 RES I NEDR B
[5]
DYRMUNDSSON OR, 1972, THESIS U WALES
[6]
FRASER AF, 1968, SCOTTISH AGRICULTURE, V47, P1
[10]
KEANE MG, 1974, IRISH J AGR RES, V13, P263