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Damavandi, Mona; Pilkington, Lisa I.; Malmström, Jenny; Whitehead, Kathryn A.; Travas-Sejdic, Jadranka; Barker, David . (2018). Poly- <i>p</i> -phenylenevinylene- <i>g</i> -poly(2-(methacryloyloxy)Ethyl)trimethylammonium chloride (PPV-g-PMETAC): A fluorescent, water-soluble, selective anion sensor. Journal of Polymer Science Part A: Polymer Chemistry, 56(17), 1997–2003. doi:10.1002/pola.29087 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research