TY  - BOOK
AU  - Elgerd,Olle I.
TI  - Electric energy systems theory: an introduction 
T2  - McGraw-Hill series in electrical engineering
SN  - 0070192308
PY  - 1982///
CY  - New York
PB  - McGraw-Hill
KW  - Electric engineering
KW  - Electric power systems
N1  - Includes bibliographical references and index
ER  -