@Article{119854,
     author = "Maria Mordwa",
     title = "The Obligation of Strategic Gas Storage Introduced in Poland as an Example of a Public Service Obligation Relating to Supply Security : A Question of Compliance with European Law ",
     year =  2011,
     volume =  4 (4),
     number =  ,
     journal =  Yearbook of Antitrust and Regulatory Studies,
     pages =  s. 57-82,
    }