1. Barber, C. & Baxter, K. M. 1982. Sampling of groundwaters contaminated by organic substances. In: Proceedings of 1st Atlantic Workshop—Organic Chemical Contamination of Groundwater, Nashville, Tennessee, Dec. 1982. AWWA & ISWA, Denver, CO.
2. Representative Sampling of Ground Water from Short-Screened Boreholes
3. Barcelona, M. J., Gibb, J. P., Helfrich, J. A. & Garske, E. E. 1985. A practical guide to groundwater sampling. Contract Report 374, Illinois State Water Co.
4. Well Construction and Purging Effects on Groundwater Samples.;Environmental Science and Technology,,1986
5. Clark, L. & Baxter, K. M. 1981. Organic micropollutants in effluent recharge to groundwater. IAWPR Conference, Brussels.