1. Gardziella, A., Pilato, L. A., and Knop, A. Phenolic Resins. Springer-Verlag, Berlin, 2000.

  2. Pizzi, A. Advanced Wood Adhesives Technology. Marcel Dekker Inc., New York, 1994.

  3. Christjanson, P. Development of alkylresorcinol (AR) resin adhesives: chemistry of AR resins. In Proceed­ings of the Adhesives Bonded Wood Symposium, Forest Products Society, Madison, USA, 1994, 267–277.

  4. Knop, A. and Pilato, L. A. Phenolic Resins. Springer-Verlag, Berlin, 1985.

  5. Fischer, T. H., Chao, P., Upton, C. G., and Day, A. I. One- and two-dimensional NMR study of resol phenol-formaldehyde prepolymer resins. J. Magn. Reson. Chem., 1995, 33, 717–723.
doi:10.1002/mrc.1260330905

  6. Grenier-Loustalot, M.-F., Larroque, S., Grenier, P., Leca, J.-P., and Bedel, D. Phenolic resins: 1. Mechanisms and kinetics of phenol and the first polycondensates towards formaldehyde in solution. Polymer, 1994, 35, 3046–3054.
doi:10.1016/0032-3861(94)90418-9

  7. Christjanson, P., Pehk, T., Siimer, K., and Paju, J. Structure of polycondensates from hydroxymethyl­phenols. J. Appl. Polym. Sci., 2008, 107, 1226–1234.
doi:10.1002/app.27171

  8. Christjanson, P., Suurpere, A., and Köösel, A. Charac­terization of resorcinol- and phenol-formaldehyde prepolymers by ¹H NMR spectroscopy. Oil Shale, 1996, 13, 115–122.

  9. Werstler, D. D. Quantitative ¹³C n. m. r. characterization of aqueous formaldehyde resins: 1. Phenol-formaldehyde resins. Polymer, 1986, 27, 750–756.
doi:10.1016/0032-3861(86)90135-7

10. Rego, R., Adriaensens, R. A., Carleer, R. A., and Gelan, J. M. Fully quantitative carbon-13 NMR characterization of resol phenol-formaldehyde pre­polymer resins. Polymer, 2004, 45, 33–38.
doi:10.1016/j.polymer.2003.10.078

11. Neiss, G. Solution and solid-state NMR analysis of phenolic resin cure kinetics. Macromol. Symp., 1994, 86, 117–129.

12. Grenier-Loustalot, M.-F., Larroque, S., and Grenier, P. Phenolic resins: 5. Solid-state physicochemical study of resoles with variable F/P ratios. Polymer, 1996, 37, 639–650.
doi:10.1016/0032-3861(96)83151-X

13. Yeddanapally, L. M. and Francis, D. J. Kinetics and mechanism of the alkali catalysed condensation of o- and p-methylol phenols by themselves and with phenol. Makromol. Chem., 1962, 55, 74–86.
doi:10.1002/macp.1962.020550106

14. Francis, D. J. and Yeddanapally, L. M. Kinetics and mechanism of the alkali catalysed addition of form­aldehyde to dihydroxydiphenyl methanes. Makro­mol. Chem., 1968, 119, 17–22.
doi:10.1002/macp.1968.021190103

15. Francis, D. J. and Yeddanapally, L. M. Kinetics and mechanism of the alkali catalysed condensations of di- and trimethylol phenols by themselves and phenol. Makromol. Chem., 1969, 125, 119–125.
doi:10.1002/macp.1969.021250112

16. Christjanson, P., Köösel, A., and Suurpere, A. Evaluation of condensation rate of methylolphenols. Oil Shale, 1998, 15, 374–383.

17. Grenier-Loustalot, M.-F., Larroque, S., Grenier, P., Leca, J.-P., and Bedel, D. Phenolic resins: 4. Self-condensation of methylolphenols in formaldehyde-free media. Polymer, 1996, 37, 955–964.
doi:10.1016/0032-3861(96)87277-6