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3. Byrnes, M. E. (1994): Field sampling methods for remedial Investigation. Lewis Publishers, 254p.
4. Cohen, R. M. and J. M. Mercer (1993): DNAPL site evaluation. C. K. Smoley.
5. Domenico, P. A. and EW. Schwartz (1997): Physical and chemical hydrogeology-2nd edition. John Wiley & Sons, New York, 506p.