Callaway, R., Callaway, R., & Lancaster, J. (2002). Diversity and community structure of epibenthic invertebrates and fish in the North Sea. ICES Journal of Marine Science, 59(6), pp. 1199-1214. doi:10.1006/jmsc.2002.1288

Callaway, Ruth, R. Callaway, and John Lancaster. "Diversity and Community Structure of Epibenthic Invertebrates and Fish in the North Sea." ICES Journal of Marine Science 59, no. 6 (2002): 1199-1214.

Callaway, Ruth, R. Callaway, and John Lancaster. "Diversity and Community Structure of Epibenthic Invertebrates and Fish in the North Sea." ICES Journal of Marine Science 59.6 (2002): 1199-1214.