TY  - BOOK
AU  - Simons R.H
AU  -   Bean A.R
TI  - LIGHTING ENGINEERING: Applied calculations
SN  - 0-7506-50516
AV  - SBL TK 4166  S56 2011
PY  - 2011///
CY  - Routledge-New York
PB  - Architectural Press
ER  -