1. AOCS 1974 Official and Tentative Methods of the American Oil Chemists' Society. AOCS. Champaign, IL.
2. British Standards 1958 Methods of Analysis of Oils and Fats. British Standard 682. British Standards Institution, London.
3. CIE Publicati;CIE (Commission Internationale de l'Eclairage),1978
4. Formation of malonaldehyde from lipid oxidation products