- Co-condensation of Hydroxymethylphenols with Resorcinol and 5-MethylresorcinolChristjanson, Peep; Köösel, Arne-EnnNihon Setchaku Kyōkai shi = Adhesion : journal of the Adhesion Society of Japan1989 / p. 174-179
- Comparsion of resorcinol and 5-methylresorcinol copolycondensates with hydroxymethylphenols using GPS/ 13c NMR analysisLippmaa, Helle; Välimäe, T.; Christjanson, PeepNihon Setchaku Kyōkai shi = Adhesion : journal of the Adhesion Society of Japan1988 / p. 255-261
- Kinetics of non-catalytic reaction of hydroxymethylationKiisler, KarlNihon Setchaku Kyōkai shi = Adhesion : journal of the Adhesion Society of Japan1982 / p. 9-15
- On the reactivity of alkylresorcinolsKiisler, Karl; Christjanson, Peep; Siimer, Kadri; Lippmaa, HelleNihon Setchaku Kyōkai shi = Adhesion : journal of the Adhesion Society of Japan1980 / p. 154-159
- Solid-state 13C NMR study of cured resorcinol-formaldehyde resinsLippmaa, Helle; Samoson, AgoNihon Setchaku Kyōkai shi = Adhesion : journal of the Adhesion Society of Japan1988 / p. 300-305
- Study on the Reaction of Resorcinols with N-hydroxymethyl- Ɛ-caprolactamChristjanson, Peep; Arro, Zemfira; Suurpere, AimeNihon Setchaku Kyōkai shi = Adhesion : journal of the Adhesion Society of Japan1981 / c. 76-79
- Synthesis, separation and PMR data of N-(dihydroxybenzyl)- Ɛ-caprolactamsChristjanson, Peep; Suurpere, Aime; Arro, ZemfiraNihon Setchaku Kyōkai shi = Adhesion : journal of the Adhesion Society of Japan1980 / p. 208-211
- Unsymmetrical Methylene Derivatives of caprolactam and PhenolChristjanson, Peep; Arro, Zemfira; Suurpere, AimeNihon Setchaku Kyōkai shi = Adhesion : journal of the Adhesion Society of Japan1989 / p. 128-134