1. Automovilová výstava v Berlíně Creator: BYK, J. Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Ze severu přes Prahu na jih Creator: BYK, J. Format: electronic Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public