• Evaluation of technologies for a spaceborne analog IF narrowband 20*20 switch matrixAberg, Markku; Pohjonen, HelenaBEC : Baltic Electronics Conference : proceedings of the 4th Biennial Conference, October 9-14, 1994, Tallinn (Estonia). 21994 / p. 455-460: ill https://www.ester.ee/record=b2150914*est