Acta Informatica, Volume 56

Volume 56, Number 1, February 2019

Volume 56, Number 2, March 2019

Volume 56, Number 3, April 2019

Volume 56, Number 4, June 2019

Volume 56, Number 5, July 2019

Volume 56, Number 6, September 2019

Volume 56, Numbers 7-8, November 2019

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