Greenwood, L .
Design of direct current machines / Textual Documents L Greenwood. - 1 / . - London : McDonald , 1999. - 222 ; .
621.3132 / GRE/DE
Design of direct current machines / Textual Documents L Greenwood. - 1 / . - London : McDonald , 1999. - 222 ; .
621.3132 / GRE/DE