1. 2. “Advances in Lipid Methodology—One”, ed. W. W. Christie, 1992, The Oily Press, Ayr, Scotland.
2. 3. “Advances of Lipid Methodology—Five”, ed. R. O. Adlof, 2003, The Oily Press, Bridgwater, England.
3. 4. “Lipid Analysis”, ed. W. W. Christie and X. Han, 4th ed., 2010, The Oily Press, Bridgwater, England.
4. 8. Sv. Momchilova and B. Nikolova-Damyanova, in “Thin-Layer Chromatography in Phytochemistry”, ed. M. Waksmundzka-Hajnos, J. Sherma, and T. Kowalska, 2008, CRC Press, Taylor & Francis Group, Boca Raton, London, New York, 277.
5. 15. B. Nikolova-Damyanova, in “Lipid Methodology—One”, ed. W. W. Christie, 1992, The Oily Press, Ayr, Scotland, 181.