;Jose Sousa, Maria (ISCTE, Lisboa),Chekole Workneh, Tewabe (Uni. of Verona),Holtskog, Halvor (Norwegian University of Science and Technology, Norway)
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;Sousa, Maria Jose (Instituto Universitario de Lisboa, Portugal),de Bem Machado, Andreia,Aparecida Dandolin, Gertrudes
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