Distribution of ${Zn}$ and ${Pb}$ in soils in the vicinity of non ferrous industrial waste sites at the examples of Bukowno (Poland) and Mansfeld (Germany) / A. GRUSZECKA, E. HELIOS-RYBICKA // Polish Journal of Environmental Studies ; ISSN 1230-1485. — 2006 vol. 15 no. 5C, s. 164–170. — Bibliogr. s. 169–170, Abstr.. — EURO-ECO 2006 : 11th international conference : interdisciplinary co-operation for the sustainable development of historical cities and protected areas : perspectives of sound tourism : [Kraków 18th–19th September 2006]. — Olsztyn : HARD, 2006

Heavy metals in the water-soil system at the industrial landfills surrounding of the nitric plant in Tarnów / M. KUŹNIAKOWSKA, H. HELIOS-RYBICKA // W: EURO-ECO 2006 : 11\textsuperscript{th} international conference : interdisciplinary co-operation for the sustainable development of historical cities and protected areas perspectives of sound tourism : Kraków 18\textsuperscript{th}–19\textsuperscript{th} September 2006 / eds. Aleksandra Wagner, Jan W. Dobrowolski ; Katedra Biotechnologii Środowiskowej i Ekologii. — [Kraków : s. n.], [2006]. — Opis wg okł.. — S. 96–97

Quality assessment of the rivers system in the vicinity of the nitric plant in Tarnów, Poland / M. KUŹNIAKOWSKA, E. HELIOS-RYBICKA // Polish Journal of Environmental Studies ; ISSN 1230-1485. — 2006 vol. 15 no. 5C, s. 159–163. — Bibliogr. s. 163, Abstr.. — EURO-ECO 2006 : 11th international conference : interdisciplinary co-operation for the sustainable development of historical cities and protected areas : perspectives of sound tourism : [Kraków 18th–19th September 2006]. — Olsztyn : HARD, 2006