Digital protection : protective relaying from electromechanical to microprocessor
Singh1994 年出版231 页ISBN:0470234369
UNDERSTANDING AMERICAN GOVERNMENT EIGHTH EDITION
SUSAN WELCH JOHN GRUHL JOHN COMER SUSAN M.RIGDON著2222 年出版621 页ISBN:0534647499
UNDERSTANDING SOCIETY AN INTRODUCTORY READER
MARGARET L.ANDERSEN KIM A.LOGIO HOWARD F.TAYLOR著2222 年出版576 页ISBN:0534566669