PIŽL, Václav, Jiří SCHLAGHAMERSKÝ and Jan TŘÍSKA. The effects of polycyclic aromatic hydrocarbons on terrestrial annelids in urban soils. In 15th International Colloquium on Soil Zoology, August 25-29, 2008, Curitiba-Parana-Brazil, Positivo University, Biodiversity, Conservation and Sustainable Management of Soil Animals, Abstracts. Curitiba: Embrapa, 2008, p. 103-103. ISBN 978-85-89281-23-2.
PIŽL, Václav and Jiří SCHLAGHAMERSKÝ. The impact of pedestrian activity on soil annelids in urban greens. European Journal of Soil Biology. Paris: Elsevier, 2007, vol. 43, Suppl. 1, p. S68-S71, 4 pp. ISSN 1164-5563.
PIŽL, Václav and Jiří SCHLAGHAMERSKÝ. Diversity and ecology of soil annelids in urban greens of a medium-sized city - Project outline and preliminary results. In The 8th International Symposium on Earthworm Ecology, 4th-9th September 2006, Kraków - Poland, Abstracts. Kraków: Jagellonian University, Kraków, 2006, p. 80-80.