@book{WickelHartogh2004, author = {Wickel, Hans Hermann and Hartogh, Theo}, title = {Handbuch Musik in der Sozialen Arbeit}, publisher = {Juventa}, address = {Weinheim}, isbn = {3-7799-0787-9}, pages = {496 S.: graph. Darst.}, year = {2004}, language = {de} }