Eykhoff, Pieter, 1929- System identification : parameter and state estimation / [by] Pieter Eykhoff. - London ; New York [etc.] : Wiley-Interscience, 1974. - xx, 555 p. : ill. ; 24 cm. ISBN: 0471249807 : £12.50 LCCN: 73002781 LC Class. No.: QA402 / .E94 Dewey Class. No.: 003