• 

  Nokia 9210 - Bounce game - YouTube

  https://www.youtube.com/watch?v=rIH65A-hyAM

  Me playing one of the built-in games on the Nokia 9210.

• 

  Deutsche Biographie - Schubring, Walther

  https://www.deutsche-biographie.de/gnd117117110.html#ndbcontent

  Deutsche Biographie

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