Illumination Engineering for Energy Efficient Luminous Environments /
Helms, Ronald N.
Illumination Engineering for Energy Efficient Luminous Environments / R.N. Helms. - Englewood Cliffs, N.J. : Prentice-Hall, Inc., 1980. - 322 p. : fig., tables.
Includes Bibliographies and Index.
0-13-450809-2
Illumination Engineering
Illumination Engineering for Energy Efficient Luminous Environments / R.N. Helms. - Englewood Cliffs, N.J. : Prentice-Hall, Inc., 1980. - 322 p. : fig., tables.
Includes Bibliographies and Index.
0-13-450809-2
Illumination Engineering