1. Rennel J (1995) Nordic Pulp and Paper Res J 1: 34
2. Casey JP (1980) Pulp and Paper: Chemical and Chemical Technol, 3rd edn, vol 1 Wiley, New York, p. 681
3. Lindberg S (1974) Chem Abs 80 1, 407, 404m
4. Voss R, Wearing JT, Wong A (1981) Pulp and Paper Can 82 (2): T65
5. Bjorseth A, Carlberg GE, Gjos N, Moller M, Tveten G (1981) In: Keith LH (ed) Advances in the Identification and Analysis of Organic Pollutants in Water, vol 2. Ann Arbor Science, Ann Arbor, p 1115