共 4 条
[1]
Betts A.D., Bee Wld, 16, pp. 111-113, (1935)
[2]
Faegri K., Iverson J., Textbook of pollen analysis, (1975)
[3]
Maurizio A., Honey: A comprehensive survey, pp. 240-257, (1975)
[4]
Okada I., Bull. Fac. Agric. Tamagawa Univ., 16, (1976)