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[1]
*AGR RES I N IREL, 1942, 16 AGR RES I N IRE, V16
[2]
ASPLIN F. D., 1940, Veterinary Journal, V96, P449
[3]
BOLTON W., 1944, Scottish Journal of Agriculture, V24, P229
[4]
COMMON R. H., 1942, Journal of the Society of Chemical Industry, V61, P153, DOI 10.1002/jctb.5000611003
[5]
TITUS HW, 1942, KEEPING LIVESTOCK HE, P1075