TY - BOOK AU - Gray,C.B. TI - Electrical machines and drive systems SN - 0582305403 AV - TK2081 .G73 1989 PY - 1989/// CY - Essex, England, New York PB - Longman Scientific & Technical, Wiley KW - Electric machinery KW - Electric driving N1 - Includes index; Bibliography: p. [436]-437 ER -