• Co-condensates of resorcinols and methylol compounds for adhesive resinsChristjanson, Peep; Köösel, Arne-Enn; Siimer, Kadri; Suurpere, AimePolymer engineering and science1997 / 6, p. 928-939 https://4spepublications.onlinelibrary.wiley.com/doi/abs/10.1002/pen.11736