Nyfors, Ebbe, 1956- Industrial microwave sensors / Ebbe Nyfors & Pertii Vainikainen. - Norwood, Mass. : Artech House, 1989. - 351 p. : ill. ; 24 cm. - The Artech House microwave library . - The Artech House microwave library. . ISBN: 0890063974 RM273.74 Subjects--Topical Terms: Measuring instruments.Microwave detectors.