1. Light indene-coumarone resins from light coal-tar oils;Emel'yanova;Koks Khim.; (USSR),1985
2. Coumarone resin and its uses;Ellis,2002
3. Polymer Modified Bitumen: Review;Pyshyev;Ch&ChT,2016
4. Production of indene-coumarone resins as bitumen modifiers;Pyshyev;Pet. Coal,2015