TY  - BOOK
AU  - Houstoun, R A
TI  - A Treatise on light
PY  - 1946///
CY  - Longmans, Green & co.
PB  - London
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=1471
ER  -