Ghaderian, A., Haghighi, A. H., Taromi, F. A., Abdeen, Z., Boroomand, A., Taheri, S. M.-R. “Characterization of Rigid Polyurethane Foam Prepared from Recycling of PET Waste”, Periodica Polytechnica Chemical Engineering, 59(4), pp. 296–305, 2015. https://doi.org/10.3311/PPch.7801