References
- DIETZ, A. (1985) Problems and prospects of maintaining a two-queen system in honey bees throughout the year. Am. Bee J. 125: 451–153
- FARRAR, C. L. (1968) Productive management of honey bee colonies. Am. Bee J. 108: 95–97
- HARP, E. R. (1969) A method of holding large numbers of honey-bee queens in laying condition. Am. Bee J. 109: 340–341
- JAY, S. C., DIXON, D. (1984) Infertile and Nosema-infected honeybees shipped to western Canada. J. apic. Res. 23: 40–44
- NELSON, D. L. (1982) The effect of queen-related problems on honey production. Am. Bee J. 122: 636–637 REID, M. (1975) Storage of queen honeybees. Bee Wld 56: 21–31
- SZABO, T. I. (1977) Behavioural studies in queen introduction in the honeybee 6. Multiple queen introduction. J. apic. Res. 16: 65–83
- SZABO, T. I. (1978) Queen introduction in push-in cages and mailing cages. J. apic. Res. 17: 41–43