Kairytė A, Ivdre A, Vaitkus S. Dimensionally stable water-blown polyurethane foam extended with bio-based propylene glycol and modified with paper waste sludge. EST [Internet]. 2017Jun.14 [cited 2024Jul.5];9(2):93-103. Available from: https://bme.vgtu.lt/index.php/EST/article/view/601