1. 3 Tocci, L. “Sweden pursues ‘clean’ hydraulic fluids”, Lubes ‘n’ Greases, November 1998, p. 42.
2. 5 Athanassiadis, D. Lindestav, G., Wästerlund, I. “Fuel, hydraulic oil and lubricant consumption in Swedish mechanized harvesting operations”, 1996, Journal of Forest Engineering, Vol. 10 No. 1 (1999), pp. 59‐66, and references cited therein.
3. 6 Anonymous “Die Papierkette soll sich schließen”, Frankfurter Allgemeine Zeitung, 13 April 1999, Nr 85, p. 23.
4. 16 Anonymous, “HydraWay Bio Pa 46 offers the best of both oils”, Chemical Reactions, Vol. 16 No. 20, (1997). Published by Amoco Chemicals.
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