1. Bogdanov S., Martin P., Lüllmann C. (1997a) Harmonised methods of the European Honey Commission. Determination of hydroxymethylfurfural after White, Apidologie (extra issue), 25–27.
2. Bogdanov S., Martin P., Lüllmann C. (1997b) Harmonised methods of the European Honey Commission. Determination of sugars by HPLC, Apidologie (extra issue), 42–44.
3. Bogdanov S., Bieri K., Gremaud G., Känzig A., Seiler K., Stöckli H., Zürcher K. (2004) Gelée Royale, in: Manuel suisse des denrées alimentaires, Chap. 23C, [online] http://www.bag.admin.ch/slmb/online/d/SLMB/Data%20SLMB_MSDA/Version%20F/23C_Gelee%20royale.pdf (accessed on 21 October 2005).