Malewska E, Prociak A. The effect of nanosilica filler on the foaming process and properties of flexible polyurethane foams obtained with rapeseed oil-based polyol. p [Internet]. 2015 Aug. 30 [cited 2024 Dec. 25];60(7-8):472-9. Available from: https://ichp.vot.pl/index.php/p/article/view/552