Caroline E. Heider, "Solo-Safety match. Light of a burning match in a box. A Lokalisation of a fuse.", Der Standard, 11/12-09-2004, Album, p. A2
Caroline E. Heider, "Solo-Safety match. Light of a burning match in a box. A Lokalisation of a fuse.", Der Standard, 11/12-09-2004, Album, p. A4
Caroline E. Heider, "Solo-Safety match. Light of a burning match in a box. A Lokalisation of a fuse.", Der Standard, 11/12-09-2004, Album, p. A6