1. Gemini Manna Kea Laser Guide Star System;Céline,1999
2. Laser Operations at the 8-10m class telescopes Gemini, Keck and the VLT: lessons learned, old and new challenges;Paola,2010
3. Photon Return On-Sky Test of Pulsed Sodium Laser Guide Star with D2bRepumping
4. A sodium guide star adaptive optics system for the 1.8 meter telescope;Wei,2012