Matti Karras

Automatic industrial cross-correlator for flow measurement

Jun Chen, Jouni Tornberg, Jari Kivimaa, 1994 .

Two ultrasonic flowmeters for pulp suspensions using advanced signal analysis

Jouni Tornberg, Matti Karras, E. Harkonen, 1984 .

A New Method of Measuring 3-D Ground Reaction Forces under the Ski during Skiing on Snow.

Matti Karras, Heikki Rusko, Antti P Leppävuori, 1993, Journal of applied biomechanics.