Dokl. Akad. Nauk SSSR, 1988 Volume 301, Number 1,Pages 79–83(Mi dan48324)
PHYSICS
Spectroscopic and laser characteristics of the $\mathrm{Ca}$, $\mathrm{Mg}$, $\mathrm{Zr}$-substituted gadolinium-gallium garnet crystals doped with chromium and neodymium