Smigel, J.T., Gibbs, A.G. (2008): Conglobation in the pill bug, Armadillidium vulgare, as a water conservation mechanism. Journal of Insect Science (Tucson), 8: 1-9.
Smith, H.G., Crook, M.J. (1995): Temperature relations of soil protists in the Antarctic zone as an indicator of climatic change. Acta Zool. Fennica, 196: 183-185. (ve sborníku Haimi & Huhta: XI International Colloquium on Soil Zoology)
Smith, J., Chapman, A., Eggleton, P. (2006): Baseline biodiversity surveys of the soil macrofauna of London’s green spaces. Urban Ecosyst., 9: 337–349.