1. American National Standards Institute, Standards for the Safe Use of Lasers
2. Charge Coupled Devices and their Applications;Beynon,1979
3. Glossary of Terms Particular to Light and Color;BS 4727,1970
4. Guide on Protection of Personnel against Hazards from Laser Radiation;BS 4803,1983
5. A Sensitive Spectroradiometer using a Boxcar Detector;Brown,1981