1. International Olive Council (IOC) T.15/Doc. No. 3/Rev. 7.Trade standard applying to olive oils and olive-pomace oils, Madrid,Spain, (2013.
2. Codex Alimentarius Commission (CODEX STAN) 33-1981. Codex standard for olive oils and olive pomace oils, 1981.
3. Olive Oil Authentication
4. International Olive Council (IOC) T.20/doc. No. 18/Rev. 2. Determination of waxcontent by capillary column gas chromatography, Madrid, Spain, (2003.