Comparative thermal degradation of biodegradable and oxo-degradable polymeric blends used in shopping bags in Brazil - Araújo Junior, João de; Magalhães, Dulce; Oliveira, Nara Andréa de; Matos, Jivaldo do Rosário; Wiebeck, Hélio (Journal of Chemical, Biological and Physical Sciences: D: Environmental Sciences, 2013)