1. Cadmium, lead and calcium content, number and biomass, in earthworms (Lumbricidae) from sewage sludge treated soil;Andersen;Pedobiologia,1979
2. Lead and cadmium content in earthworms (Lumbricidae) from sewage sludge amended arable soil;Andersen,1980
3. Distribution of heavy metals in Lumbricus terrestris, Aporrectodea longa and A. rosea measured by atomic absorption and X-ray fluorescence spectrometry;Andersen;Pedobiologia,1982
4. Interaction of lead and calcium uptake by the woodlouse, Porcellio scaber (Isopoda, Porcellionidae);Beeby;Oecologia (Berl.),1978
5. Short0term changes in Ca, Pb, Zn and Cd concentrations of the Garden Snail Helix aspersa Muller from a Central London car park;Beeby;Environ. Pollut. (Ser. A),1983