1. Method of one frequency coherent radiation convertion into two frequency;Il’in,1983
2. LFM lidar with frequency conversion;Il’in,1995
3. Two-frequency oscillator for interferometers with polarization dived channels;Il’in,1996
4. Perspectives of fiber sensors based on optical reflectometry for nondestructive evaluation;Morozov,1996
5. Metrological features of laser interferometers with frequency conversion in supporting channel;Il’in,1999