W. Kroebel, S. Ghods; Experiences and results of an experiment lasting more than four years with a mercury in-situ sensor for measuring of the depth in the sea with a precision of 0.3 db which is free from drift and qualified to applicate in-situ as well as a secondary st, Proceedings of MTS/IEEE OCEANS'95 Conference, pp. 187 - 188, September 1995.
Werner Kroebel; The Dynamic Response Of A New Kind Of High Speed C-I-D Sensors, Proceedings of IEEE OCEANS'90 Conference, p. 589, September 1990.
Werner Kroebel; High Performance C,T,D Compact Sensor For High Speed Profiling With WOCE Specifications, Proceedings of MTS/IEEE OCEANS'89 Conference, p. 1712, September 1989.
Werner Kroebel; Results of exact investigations about the characteristics of the extremely fast and accurately measuring Kiel multisonde and representations about its newest performance, Proceedings of MTS/IEEE OCEANS'88 Conference, pp. 491 - 496, October 1988.
W. Kroebel; A New Type of Pressure Sensor for Very Fast Measurements in Fast CTD-Probes, Proceedings of MTS/IEEE OCEANS'87 Conference, pp. 331 - 334, September 1987.
Werner Kroebel, Hans Baumann; Advanced Instrument, Accumulating and Collecting Chemical Substances and Suspended Particulate Matter for the Measurement of Their Distribution in the Sea from Top to Bottom, Proceedings of MTS/IEEE OCEANS'86 Conference, pp. 486 - 491, September 1986.
W. Kroebel; Results from test trials with very fast measuring high precision CTD sonde for profiling speeds of up to 7-10 m/s, Proceedings of MTS/IEEE OCEANS'85 Conference, pp. 610 - 615, November 1985.
Karl-H. Mahrt, Werner Kroebel; Quantitative performance data of a new automatic optical bench salinometer/densitometer, Proceedings of MTS/IEEE OCEANS'85 Conference, pp. 622 - 627, November 1985.
W. Kroebel, N. V. Bosse; New Concept OV Very Fast and Stable Conductivity Probes of Small Size for Modern High-Speed CTD-Systems, Proceedings of MTS/IEEE OCEANS'84 Conference, pp. 214 - 218, September 1984.
K.-H. Mahrt, W. Kroebel; Optical Interferometric Bench Salinometer of High Precision with Electrical Read Out, Proceedings of MTS/IEEE OCEANS'84 Conference, pp. 219 - 223, September 1984.
R. Barkmann, A. Hosseinioun, W. Kroebel, K.-H. Mahrt; A New Short Path Probe Sensing The Sound Attenuation At 10 MhZ In Situ In The Sea For The Determination Of Sub Micron Bubbles And Particulate Matter, Proceedings of MTS/IEEE OCEANS'83 Conference, pp. 203 - 208, August 1983.
K.-H. Mahrt, H. C. Waldmann, W. Kroebel; A newly developed in situ-measuring oceanographical probe sensing the optical index of refraction of sea water with new aspects of salinity and density determinations, Proceedings of MTS/IEEE OCEANS'82 Conference, pp. 266 - 271, September 1982.
W. Kroebel, N. v. Bosse; Progress in oceanographic high speed resistance thermometry and applications in a new temperature gradient and turbulence meter, Proceedings of MTS/IEEE OCEANS'82 Conference, pp. 272 - 276, September 1982.
Werner Kroebel; A thermometer for oceanographic research with a time constant of about 1 ms and a resolution of less than 0.001 K: Its properties and results of its application on cruises, IEEE J. Oceanic Eng., vol. 6, pp. 118 - 124, October 1981.
Werner Kroebel, Hans Baumann; Continuous Accumulation and Fixation of Suspended Particles on Pore Filters in the Ocean, Proceedings of MTS/IEEE OCEANS'81 Conference, pp. 423 - 427, September 1981.
Werner Kroebel; A Thermometer with a Time Constant of about 1.5-2 Milliseconds: Its Properties and Results of its Application on Cruises, Proceedings of MTS/IEEE OCEANS'80 Conference, pp. 44 - 48, September 1980.
Werner Kroebel; The use of optical attenuance meters for biological measurements, Proceedings of MTS/IEEE OCEANS'77 Conference, pp. 534 - 540, September 1977.
Werner Kroebel, H.-P. Diehl; Light attenuation and scattering sensors for the Kieler multimeeressonde with results from ocean expeditions, OCEANS'74 --- IEEE International Conference on Engineering in the Ocean Environment, pp. 260 - 262, August 1974.
W. Kroebel, K.-H. Mahrt; High precision oscillators for absolute sound speed measurements in the laboratory and in the free ocean, OCEANS'74 --- IEEE International Conference on Engineering in the Ocean Environment, pp. 263 - 269, August 1974.
Werner Kroebel; A two phase AC-bridge as a basis for in situ measurements of different physical parameters, OCEANS'74 --- IEEE International Conference on Engineering in the Ocean Environment, pp. 178 - 180, August 1974.