Koleva, M., Vassilev, V. and Vassilev, G. 2008. Polymer composites containing waste dust from power production II. Strength characteristics of composites based on UPR/HIPS polymer system. Macedonian Journal of Chemistry and Chemical Engineering. 27, 1 (Jun. 2008), 47–52. DOI:https://doi.org/10.20450/mjcce.2008.246.