1. “Gas Chromatography” John Wiley & Sons, Inc., New York, (1962) p. 184; 188; 190.
2. and “Gas Chromatography” edited by Academic Press, New York (1958) p. 8.
3. “Introduction to Open Tubular Columns” The Perkin-Elmer Corp., Norwalk, Conn. (1978) p. 43.
4. “Gas Chromatography” edited by Reinhold Publishing Corp., New York (1959) p. 157.
5. “Gas Chromatography with Glass Capillary Columns”, second ed. Academic Press, New York, (1980) p. 8; 139.