共 25 条
- [21] VONBORSTEL F, 1952, SHEEPFMG A, P49
- [22] WALKER D. E., 1944, New Zealand Journal of Science and Technology, Section A, V26, P51
- [23] WALKER D. E., 1949, New Zealand Journal of Agriculture, V79, P219
- [24] WALKER DE, 1944, NZ J SCI TECHNOL 3, VA 26, P99
- [25] WALKER DE, 1944, NZ J SCI TECHNOL 2, VA 26, P61