Acarnley, P. P Stepping motors a guide to modern theory and practice - 3rd Revised - London P. Peregrinus on behalf of the Institution of Electrical Engineers 1992 - viii, 162p. : ill. - IEE control engineering series 19 . Includes index. -Bibliography: p. [155]-157. ISBN: 0863410278 Subjects--Topical Terms: Stepping motorsENGINEERING LC Class. No.: TK 2511 Aca