共 6 条
[1]
Ackerman W. L., 1978, American Camellia Yearbook 1978., P117
[2]
ACKERMAN WL, 1981, HORTSCIENCE, V16, P690
[4]
ACKERMAN WL, 1971, USDA TECH B, V1427
[5]
1990, USDA MISC PUBL, V1475
[6]
1982, ROYAL HORTICULTURAL