(1996). Methods for the examination of organismal diversity in soils and sediments. New York: CAB International in association with United Nations Educational, Scientific, and Cultural Organization and the International Union of Biological Sciences.

Methods for the Examination of Organismal Diversity in Soils and Sediments. New York: CAB International in association with United Nations Educational, Scientific, and Cultural Organization and the International Union of Biological Sciences, 1996.

Methods for the Examination of Organismal Diversity in Soils and Sediments. New York: CAB International in association with United Nations Educational, Scientific, and Cultural Organization and the International Union of Biological Sciences, 1996.