1. Schede di caratterizzazione delle principali qualitá di mieli Italian;Accorti;Apicoltura,1986
2. Association of Official Analytical Chemists (AOAC) (1990). Official Methods of Analysis (15th edn). Arlington: Association of Official Analytical Chemists, Inc
3. Reliability of pollen analysis in honey;Behm;Deutsche Lebensmittel Rundschan,1996
4. Lazio region (central Italy) honeys: a survey of mineral content and typical quality parameters;Conti;Food Control,2000
5. Miels de thym du Maroc. II. Étude palynologique des sources mellifères;Damblon;Al Biruniya,1987