5Beyler, Craig. Toxicity assessment of products of combustion of flexible polyurethane foam[A]. // 8th International Symposium on Fire Safety Science[C]. 2005.
6Peng Lei, Lu Chang. Smoldering combustion of horizontally oriented polyurethane foam with controlled air supply [A]. //8th International Symposium on Fire Safety Science[C]. 2005.
7Stone H, Pcolinsky M. Effect of foam density on combustion characteristics of flexible polyurethane foam[A]// Polyurethane world congress 1991[C]. 1991.
8Levin Barbra, Paabo Maya. Toxicity of the combustion products from a flexible polyurethane foam and a polyester fabric evaluated separately and together by the NBS toxicity test method[A]// Proceedings of the first international symposium[C], 1986.
