1. Phase Transfer Catalysis;Dehmlow,1993
2. Phase Transfer Catalysis, Fundamentals, Application and Industrial Perspective;Starks,1994
3. Phase Transfer Catalysis in Organic Syntheses;Weber,1977
4. H.S. Kesling, Jr., US Pat. 4,514,576, (1985) (C.A. 110,22274q).
5. H.S. Kesling, Jr., US Pat. 4,518,806, (1985) (C.A. 110,71050x).