[1] Walter Koechner. Tunable Solid State Laser Engineering (MacAdam D L, Ed.). NewYork: SpringerVerlag, 1976. 491～531
[2] Walter Koechner. Tunable Solid State Laser Engineering Ⅱ (MacAdam D L, Schawlow A L, Shimoda K, Siegman A E, Eds.). NewYork: Springer-Verlag, 1985. 479～514
