Barrows, William E.
Light, Photometry and Illuminating Engineering / Textual Documents William E Barrows. - 2nd ed / . - London : McGraw-Hill Book Company, Inc. , 1938. - xi,333p ; .
Engineering amd applied operatrions Applied Physics Electromagnetic and related branches of engineering Illumination and lighting
621.32 / BAR
Light, Photometry and Illuminating Engineering / Textual Documents William E Barrows. - 2nd ed / . - London : McGraw-Hill Book Company, Inc. , 1938. - xi,333p ; .
Engineering amd applied operatrions Applied Physics Electromagnetic and related branches of engineering Illumination and lighting
621.32 / BAR