TY - BOOK AU - El-Hawary,Mohamed E. TI - Introduction to electrical power systems T2 - IEEE Press series on power engineering SN - 9780470408636 PY - 2008/// CY - Hoboken, N.J. PB - John Wiley & Sons/IEEE Press KW - Electric power systems N1 - Includes bibliographical references (p. 385-389) and index ER -