Electric power engineers handbook /
Ibbetson, W.S .
Electric power engineers handbook / Textual Documents W.S Ibbetson. - 3 / . - london : E&TN spon Ltd , 1951. - 298 ; .
028.71621 / IBB/EL
Electric power engineers handbook / Textual Documents W.S Ibbetson. - 3 / . - london : E&TN spon Ltd , 1951. - 298 ; .
028.71621 / IBB/EL
