1. BOLKER, H.I., LIGNIN STRUCTURE REA: 110 (1966).
2. BOLKER, H.I., INFRARED SPECTROSCOPY OF LIGNINS .5. REACTIONS OF MODELS WITH METHANOL AND WITH 2,2-DIMETHOXYPROPANE, SVENSK PAPPERSTIDNING-NORDISK CELLULOSA 70: 376 (1967).
3. THESIS MCGILL U 1968
4. FLORY, P.J., PRINCIPLES POLYM CHE: CH9 (1953).
5. Lignin: Its Constitution and Formation from
p
-Hydroxycinnamyl Alcohol