1. Celli G, Maccagnani B (2003) Honey bees as bioindicators of environmental pollution. Bull Insectol 56:137–139
2. Leita L, Muhlbachova G, Cesco S, Barbattini R, Mondini C (1996) Investigation on the use of honeybees and honeybee products to assess heavy metals contamination. Environ Monit Assess 43:1–9
3. Porrini C, Ghini S, Girotti S, Sabatini AG, Gattavecchia E, Celli G (2002) Use of honeybees as bioindicators of environmental pollution in Italy. In: Devillers J, Pham-Delegue MH (eds) Honeybees: estimate the environmental impact of chemicals. Taylor & Francis, London, pp 186–247
4. Celli G (1994) L'ape come indicatore biologico dei pesticidi. In: D'Ambrosio MT, Accorti M (eds) Atti del Convegno: "L'ape come Insetto Test dell'Inquinamento Agricolo" P.F "Lotta Biologica e Integrata per la Difesa delle Colture Agrarie e delle Piante Forestali", March 28th, 1992, Florence, Italy. Ministero Agricoltura e Foreste, Rome, pp 15–20
5. Bogdanov S (2006) Contaminants of bee products. Apidologie 37:1–18