Wunderlich, Hans-Joachim, and Sybille Hellebrand. “The Pseudo-Exhaustive Test of Sequential Circuits.”https://doi.org/10.1109/test.1989.82273__In IEEE International Test Conference (ITC’89), 19–27. Washington, DC, USA: IEEE, 1989.https://doi.org/10.1109/test.1989.82273 .

Wunderlich, Hans-Joachim, and Sybille Hellebrand. “Generating Pattern Sequences for the Pseudo-Exhaustive Test of MOS-Circuits.”https://doi.org/10.1109/ftcs.1988.5294__In 18th International Symposium on Fault-Tolerant Computing, FTCS-18, 36–45. Tokyo, Japan, 1988.https://doi.org/10.1109/ftcs.1988.5294 .

Schmid, Detlef, Hans-Joachim Wunderlich, Fridtjof Feldbusch, Sybille Hellebrand, Juergen Holzinger, and Arno Kunzmann. “Integrated Tools for Automatic Design for Testability.” In Tool Integration and Design Environments, F.J. Rammig (Editor), 233–58. Amsterdam, The Netherlands: Amsterdam: Elsevier Science Publishers B.V.(North Holland), IFIP, 1988.

Hellebrand, Sybille, and Hans-Joachim Wunderlich. “Automatisierung Des Entwurfs Vollständig Testbarer Schaltungen.” In GI - 18. Jahrestagung II, Hamburg, 1988, Informatik-Fachberichte 188, 145–59. Hamburg, Germany: Springer Verlag, 1988.

Hellebrand, Sybille. Deformation Dicker Punkte Und Netze von Quadriken. Universität Regensburg, Fakultät für Mathematik, Regensburg, Germany, 1986.