Laver, F. J. M.
Electric power / F. J. M. Laver. - London : Oxford University Press, 1957. - 80 p., 4 leaves of plates : ill. 23 cm.
Electricity.
621.312 / LAE
Electric power / F. J. M. Laver. - London : Oxford University Press, 1957. - 80 p., 4 leaves of plates : ill. 23 cm.
Electricity.
621.312 / LAE