@misc {MATHEDUC.02403289,
    author       = {von Henschelsberg, W.},
    title        = {Computer jokes. On my PC the sun crashes also in the morning. Computerwitze. Auf meinem PC stuerzt die Sonne auch morgens ab.},
    howpublished = {Frankfurt am Main: Eichborn. 1992. vp. [ISBN 3-8218-2400-X]},
    year         = {1992},
    msc2010      = {A90xx (P80xx)},
    identifier   = {1992e.01645},
}