1. “Organic Trace Analysis By Liquid Chromatography”;Lawrence,1981
2. “Environmental Problem Solving Using Gas and Liquid Chromatography”;Grob,1982
3. “Sample Preparation for Gas Chromatographic Analysis”;Jennings,1983
4. Isolation and concentration techniques for capillary column gas chromatographic analysis
5. “Organic Trace Analysis”;Beyerman,1984