Verlag Rhombos-VerlagArnold Vahrenwald × E-Cinema: Possible Juridical, Industrial and Cultural Consequences Arnold VahrenwaldRhombos-VerlagTaschenbuch2004 VOD and ITV ContractsContracts in the Sectors of Video-on-Demand and Interactive TelevisionArnold VahrenwaldRhombos-Verlag 2002