B. Fuchssteiner and G. Oevel, “Geometry and Action-Angle Variables of Multi Soliton Systems,” Rev. Math. Phys., no. 1, pp. 415–479, 1989.
LibreCat: /record/17162

R. Haeb-Umbach and H. Meyr, “A systematic approach to carrier recovery and detection of digitally phase modulated signals on fading channels,” IEEE Transactions on Communications, 1989.
LibreCat: /record/11793

V. Peckhaus, “Die Institutionalisierung der Mathematischen Logik in Deutschland,” in XVIIIth International Congress of History of Science. General Theme: Science and Political Order. Wissenschaft und Staat. 1st — 9th August 1989 Hamburg — München. Abstracts, 1989, vol. .4.
LibreCat: /record/17821

H.-J. Wunderlich and S. Hellebrand, “The Pseudo-Exhaustive Test of Sequential Circuits,”10.1109/test.1989.82273__in IEEE International Test Conference (ITC’89), 1989, pp. 19–27, doi:10.1109/test.1989.82273 .
LibreCat: /record/13020
DOI: 10.1109/test.1989.82273

D. Tophinke, Ed., Plattdeutsch - ein Pflegefall? Osnabrück: Manuskriptdruck, 1989.
LibreCat: /record/18464

R. Noé, H. RODLER, A. EBBERG, G. GAUKEL, and F. AURACHER, “PATTERN-INDEPENDENT FSK HETERODYNE TRANSMISSION WITH ENDLESS POLARIZATION CONTROL AND A 119 PHOTOELECTRONS BIT RECEIVER SENSITIVITY,”10.1080/01468038908202887__FIBER AND INTEGRATED OPTICS, vol. 8, no. 4, pp. 303–306, 1989, doi:10.1080/01468038908202887 .
LibreCat: /record/38494
DOI: 10.1080/01468038908202887

R. Noé, J. GIMLETT, R. VODHANEL, and S. TSUJI, “POLARIZATION-INSENSITIVE, 500 MBIT/S FSK TRANSMISSION OVER 153KM BY PASSIVE POLARIZATION SWITCHING,”10.1049/el:19890003__ELECTRONICS LETTERS, vol. 25, no. 1, pp. 4–5, 1989, doi:10.1049/el:19890003 .
LibreCat: /record/38347
DOI: 10.1049/el:19890003

R. Noé, J. GIMLETT, R. VODHANEL, and S. TSUJI, “POLARIZATION-INSENSITIVE, 500 MBIT/S FSK TRANSMISSION OVER 153KM BY PASSIVE POLARIZATION SWITCHING,”10.1049/el:19890003__ELECTRONICS LETTERS, vol. 25, no. 1, pp. 4–5, 1989, doi:10.1049/el:19890003 .
LibreCat: /record/38297
DOI: 10.1049/el:19890003

F. J. Rammig and W. Müller, “ODICE: Object-Oriented Hardware Description in CAD Environment,” 1989.
LibreCat: /record/39585

G. Heppke, B. Jéròme, H.-S. Kitzerow, and P. Pieranski, “Observation of a hexagonal blue phase in systems with negative dielectric anisotropy,”10.1080/02678298908026387__Liquid Crystals, vol. 5, no. 3, pp. 813–828, 1989, doi:10.1080/02678298908026387 .
LibreCat: /record/40069
DOI: 10.1080/02678298908026387