@incollection{,
    author = {Hackfort, Dieter; Birkner, Hans-Albert},
    title = {An action-oriented perspective on exercise psychology},
    editor = {Hackfort, Dieter; Duda, Joan L.; Lidor, Ronnie},
    booktitle = {Handbook of research in applied sport and exercise psychology : International perspectives},
    series = {},
    journal = {},
    address = {Morgantown},
    publisher = {Fitness Information Technology},
    edition = {},
    year = {2005},
    isbn = {1885693648 ; 978-1885693648},
    volume = {},
    number =  {},
    pages = {351-373},
    url = {},
    doi = {},
    keywords = {},
    abstract = {},
    note = {},
    institution = {Universität der Bundeswehr München, Fakultät für Humanwissenschaften, Department für Sportwissenschaft, Professur: Hackfort, Dieter},
    
    
}