ZOLOTAREVSKY, V. I.; SAMOTOVKA, L. I.; MAZALETSKY, Y. D.; BALAI, B. A.; TOVMACH, E. S.; VOSHCHINKIN, A. F. CMOS IC master oscillator with quartz frequency stabilization. Technology and design in electronic equipment, n. 6, p. 53-55, 30 Dec. 2003.