Vadim Zhmud (2018). THE PHASE LOCKING SYSTEM FOR THE FREQUENCY LOCKING OF LASERS FOR GEOINFORMATICS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Informatics, Geoinformatics and Remote Sensing, 491-498. https://doi.org/10.5593/sgem2018/2.2/s08.062