;Felix-Hackradt, Fabiana Cezar (Universidade Federal de Pernambuco, Recife, Brazil),Hackradt, Carlos Werner (Universidade Federal da Paraiba, Rio Tinto, Brazil),Garcia-Charton, Jose Antonio (Universit
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Karwowski, Waldemar (University of Central Florida, Orlando, USA),Szopa, Anna,Soares, Marcelo M. (Federal University of Pernambuco, Recife, Brazil)
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