1. Soil and Water Engineering Laboratory Dep. of Civil and Environmental Engineering; Rensselaer Polytechnic Institute; Jonsson Engineering Center; Troy NY 12180
2. Environmental Engineering Program, Federal Univ. of Rio de Janeiro, Escola Politécnica; Centro de Tecnologia UFRJ; Bloco D, sala 204, Cidade Universitária 21941-972 Rio de Janeiro RJ Brazil
3. Soil and Water Engineering Laboratory, Dep. of Civil and Environmental Engineering; Rensselaer Polytechnic Institute; Jonsson Engineering Center; Troy NY 12180
4. SIMBIOS Centre; Abertay University; Kydd Building, 40 Bell Street Dundee DD1 1HG Scotland