@article{Spiegel.1998,
 author = {Spiegel, Laurie},
 year = {1998},
 title = {Graphical GROOVE: memorial for the VAMPIRE, a visual music system},
 url = {\url{http://www.retiary.org/ls/writings/vampire.html}},
 urldate = {27.07.2009},
 pages = {187-191},
 volume = {3},
 number = {3},
 journal = {Organised Sound}
}