共 193 条
[1]
ALLAWAY WH, 1973, CORNELL VET, V63, P151
[3]
ANDERSON MS, 1961, AGRIC HDB 200
[4]
ANDREWS E.D, 1968, N Z VET J, V16, P3, DOI 10.1080/00480169.1968.33738
[5]
Berenshstein T. F., 1972, ZDRAVOOKHR BELORUSS, V18, P34
[7]
Bowen H.J.M., 1966, TRACE ELEMENTS BIOCH