Herbert W. Franke, »Graphic Music«, in: Artist and Computer, (ed.) Ruth Leavitt (New York: Harmony Books, 1976)

@incollection{Franke.1976,
 author = {Franke, Herbert W.},
 title = {Graphic Music},
 publisher = {Harmony Books},
 isbn = {9780517527351},
 editor = {Leavitt, Ruth},
 booktitle = {Artist and Computer},
 year = {1976},
 address = {New York}
}