1. Universidade da Beira Interior; Materiais Fibrosos e Tecnologias Ambientais (FibEnTech-UBI); Rua Marquês d'Ávila e Bolama Covilhã Portugal
2. Bauer Resources GmbH; BAUER-Strasse 1 Schrobenhausen Germany
3. Department of Engineering; German University of Technology in Oman; Athaibah, Oman
4. Bauer Nimr LLC; Muscat Oman