Mahdavi, Hossein, BO Mahdi Sadeghzadeh, and Nader Taheri-Qazvini. 2009. “Phase behavior study of poly (N-tertbutylacrylamide-co-acrylamide) in the mixture of water—methanol: The role of polymer—nonsolvent second-order interactions”. Journal of Polymer Science Part B: Polymer Physics 47 (5): 455-62.