共 13 条
[11]
MITCHELL K. J., 1956, NEW ZEALAND JOUR SCI AND TECHNOL SER A, V37, P395
[12]
SOPER KATHLEEN, 1958, NEW ZEALAND JOUR AGRIC RES, V1, P329
[13]
WIT CTD, 1960, VERSL LANDBOUWK ONDE, V66, P8