Janowski, B., & Pielichowski, K. (2012). Nanohybrid polyurethane/functionalized silsesquioxane systems. Part I. Structural investigations using FT-IR and NMR methods. Polimery, 57(7-8), 518–528. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/848