Acarnley, P. P., Stepping motors : A guide to modern theory and practice / P. p. acarnley - 2 # rev. ed. - viii, 160 páginas - IEE control engineering series ; 19 . ISBN: 0-86341-027-8 Subjects--Topical Terms: Motores paso a paso LC Class. No.: TK2537 / A33 1984