Co-condensation reaction of ortho- and para-methylolphenols with 2,5-dimethylresorcinolChristjanson, Peep; Köösel, Arne-EnnInternational Conference on Polymer Characterization : POLYCHAR-6, January 7-9, 1998 & Chort Course, January 6, 1998, University of North Texas, Denton, USA : program and book of abstracts1998 / p. P-08 Dependence of formaldehyde emission from particleboards on the chemical structure of urea-formaldehyde resinsSiimer, Kadri; Lasn, Ilmar; Christjanson, PeepInternational Conference on Polymer Characterization : POLYCHAR-6, January 7-9, 1998 & Chort Course, January 6, 1998, University of North Texas, Denton, USA : program and book of abstracts1998 / p. P-59