1. U.S. Environmental Protection Agency. Application of Dye-Tracing Techniques for Determining Solute-Transport Characteristics of Ground Water in Karst Terranes (1988).
2. Combined tracer tests in the karst aquifer of the artesian mineral springs of Stuttgart, Germany;Goldscheider;Environ Geol,2003
3. Sub-picomolar fluorescein. Application notes F-1. www.jyhoriba.com (2005).
4. The water tracers cookbook;Aley;Mo Speleol,1976
5. Quinlan JF. Recommended procedures for evaluating the effects of spills of hazardous materials on groundwater quality in karst terranes. In: Environmental problems in Karst Terranes and their solutions Conference, Bowling Green, Kentucky, Oct 28–30, (1986) Proceedings, pp. 183–196.