TY  - BOOK
AU  - Say,Maurice George
AU  - Taylor E. Openshaw.
ED  - Isaac Pitman & Sons.
TI  - Direct current machines
T2  - A Pitman International Text
SN  - 0273012193
CY  - London : \b Pitman, \c 1980.
N1  - Bibliografia na stronach 366-369. Indeks
ER  -