The high-pressure sodium lamp /
De Groot, J. J.
The high-pressure sodium lamp / J.J. de Groot and J.A.J.M van Vliet. - London : Macmillan Education, c1986. - 328 p. : ill.
0333432452 (Macmillan ed.)
Electric lighting, Sodium vapor.
Electric discharge lighting.
The high-pressure sodium lamp / J.J. de Groot and J.A.J.M van Vliet. - London : Macmillan Education, c1986. - 328 p. : ill.
0333432452 (Macmillan ed.)
Electric lighting, Sodium vapor.
Electric discharge lighting.