Continuously Tunable Laser Diodes: Longitudinal Versus Transverse Tuning Scheme. - Markus-Christian Amann; Wolfgang Thulke (IEEE J. Sel. Areas Commun., 1990)

Personal Communication is More Than Wireless Communication. - Katrin Braun; Joachim Grollmann; Michael Horn; Manfred Langen; Wolfgang Thulke; Walter Weigel (IFIP Congress (1), 1994)