TY  - BOOK
AU  - Barrows, William E.
TI  - Light, photometry, and illuminating engieering
PY  - 1951///
CY  - McGraw-Hill
PB  - New York
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=2390
ER  -