TY  - BOOK
AU  - Cady, Francis E.
AU  - Dates, Henry B.
TI  - Illuminating engineering
SN  - 9781342107213
U1  - 621.321 
PY  - 1925///
CY  - New York
PB  - John Wiley and Sons
KW  - Lighting Technology
N1  - Includes bibliographical references and index
ER  -