TY  - BOOK
AU  - Johnston, Sean
ED  - Institute of Physics (Great Britain)
TI  - A history of light and colour measurement : science in the shadows
SN  - 9780750307543
U1  - 543.55 JOH 
PY  - 2001///
CY  - Bristol ; Philadelphia
PB  - Institute of Physics Pub
KW  - Colorimetry - History
KW  - Photometry - History
N1  - Includes bibliographical references (p. 261-271) and index
ER  -