Golovin N.N., Rundau A.A., Isakova A.A., Sabakar K.M., Savinov K.N., Dmitriev A.K. «Combined microwave and HF modulation of injection current of a diode laser for multi frequency pumping of CPT resonances» // Izvestiya vuzov. Fizika 2020. №1 C.154-158