@Article{417448,
     author = "Dariusz Tworzydło",
     title = "Communication in times of crisis as an element of building an efficient brand",
     year =  2012,
     volume =  ,
     number =  2(3),
     journal =  Marketing Instytucji Naukowych i Badawczych,
     pages =  s. 245-256,
    }