1. Spaceborn laser altimeter based on the SPAD receiver and semiconductor laser transmitter;Pershin,1991
2. New Laser Safety Concepts;Sliney;Laser Focus World,1994
3. Photodiode for Subcentimeter Satellite Laser ranging Operating at Room Temperature and Single Photon Level;Prochazka;In OSA Technical Digest Series,1990
4. Compact eye-safe Lidar for environmental media monitoring;Pershin;SPIE's Special issue “Optical Monitoring of the Environment”,1993
5. A new generation of the portable backscatter Lidar with eye-safe energy level for environmental sensing;Pershin,1994