| http://www.w3.org/ns/prov#value | - Further representatives of catalysts which may be used according to the present invention, as well as details on the mode of operation of the catalyst are described in Kunststoff-Handbuch, Volume III, published by Vieweg-Hochtlen, Carl-Hanser-Verlag, Munich 1966, for example on pages 96 to 102.
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