R. Lavi, S. Jackel, S. Goldring, I. Tzuk, E. Lebiush, and K. Schepler, "The influence of crystal temperature on the lasing characteristics of Nd:YAG during direct upper lasing level and pump band excitation,"
in Advanced Solid-State Lasers, C. Marshall, ed.,
Vol. 50 of OSA Trends in Optics and Photonics
(Optical Society of America, 2001), paper WB15.