1. Falandysz, J. (1992).Int. J. Environ. Anal. Chem. 47:129?136
2. Fava, F., Zappoli, S., Marchetti, L. and Morselli, L. (1991).Chemosphere 22: 3?14
3. Halu?ka, L., Balá?, ?., Dercová, K., Benická, E., Krup?ík, J., Bielek, P. and Lindi?ová, G.Int. J. Environ. Anal. Chem. (in press)
4. Hutzinger, O., Safe, S. and Zitko, V. (1974).The Chemistry of PCB, Cleveland, Ohio: CRC Press, pp. 1?269
5. Krup?ík, J., Ko?an, A. Petrík, P., Leclerq, P.A. and Ballschmiter, K. (1992).Chromatographia 33: 514?520