共 39 条
[1]
ALLCROFT R, 1968, New Zealand Veterinary Journal, V16, P109, DOI 10.1080/00480169.1968.33757
[4]
BARKER AV, 1972, J AM SOC HORTIC SCI, V97, P27
[6]
BARTLETT S., 1954, BRIT VET JOUR, V110, P3
[7]
BECKING J. H., 1956, ACTA BOT NEERLANDICA, V5, P1
[8]
BENNETT WILLIAM F., 1964, AGRON J, V56, P342
[10]
CLAASSEN ME, IN PRESS