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Buss, Ashley; Williams, R. Christopher; Schram, Scott . (2015). The influence of warm mix asphalt on binders in mixes that contain recycled asphalt materials. Construction and Building Materials, 77(), 50–58. doi:10.1016/j.conbuildmat.2014.12.023 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research