Letcher, Trevor M. (Emeritus Professor, School of Chemistry, University of KwaZulu-Natal, Durban, South Africa)
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;Letcher, Trevor (Emeritus Professor, University of KwaZulu-Natal, South Africa),Fthenakis, Vasilis M. (Professor, Veterinary Faculty, University of Thessaly, Karditsa, Greece)
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Letcher, Trevor (Emeritus Professor, School of Chemistry, University of KwaZulu-Natal, Durban, South Africa)
（1）
Letcher, Trevor M. (Emeritus Professor, School of Chemistry, University of KwaZulu-Natal, Durban, South Africa),Shulman, Valerie (Secretary General, European Tyre Recycling Association (ETRA), Brusse
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