Biggeri, A., Catelan, D., Dreassi, E., Rinaldi, L., Musella, V., Veneziano, V. and Cringoli, G. 2007. Multivariate spatially-structured variability of ovine helminth infections. Geospatial Health. 2, 1 (Nov. 2007), 97–104. DOI:https://doi.org/10.4081/gh.2007.258.