Analysis of information sources in references of the Wikipedia article "Bielefeld" in English language version.
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: CS1 maint: multiple names: authors list (link){{cite web}}
: CS1 maint: archived copy as title (link) website, where a new catalogue listing all the variants of different coloured borders and edges made on the 100m piece is being compiled.{{cite web}}
: CS1 maint: archived copy as title (link) website, where a new catalogue listing all the variants of different coloured borders and edges made on the 100m piece is being compiled.