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Bei?mann, S., Stiftinger, M., Grabmayer, K., Wallner, G., Nitsche, D., & Buchberger, W. (2013). Monitoring the degradation of stabilization systems in polypropylene during accelerated aging tests by liquid chromatography combined with atmospheric pressure chemical ionization mass spectrometry. Polymer Degradation and Stability, 98(9), 1655–1661. doi:10.1016/j.polymdegradstab.2013.06.015 
10.1016/j.polymdegradstab.2013.06.015