@techreport{PiCsMuTR13, address = {Zürich, Switzerland}, author = {Machado, Guilherme Sperb and Bocek, Thomas and Ammann, Michael and Stiller, Burkhard}, howpublished = {IFI-TechReport No. 2013.05}, month = {may}, publisher = {IFI Technical Report No. IFI-2013.05}, title = {A Cloud storage overlay to aggregate heterogeneous Cloud services}, url = {https://files.ifi.uzh.ch/CSG/staff/machado/extern/publications/IFI-2013.0005.pdf}, year = {2013} }