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3. H. Lingnau, 4th Conf. ‘Polymeric High Performance Materials In the Technical Application’, Süddeutsches Kunststoff-Zentrum Würzburg, 1989.
4. J. Parey, Conf. Handbook of 1st International Plastics Forum of SPE-Central Europe, Salzburg 1988.
5. N. Rau, Röhm Spektrum, 3 (1987) 88.