TY - BOOK AU - Meyer, Andrew Ulrich TI - PULSE FREQUENCY MODULATION AND ITS EFFECT IN FEEDBACK SYSTEMS U1 - 629.83 PY - 1961/// CY - PB - N1 - Bibliography : P. 180-182; Photocopy Of Typescript. Ann Arbor, Mich., University Microfilms; Thesis -- Northwestern University ER -