Sapunov, Vladimir A., Narkhov, Evgenii D., Fedorov, Andrey L., Sergeev, Andey, Denisov, Alexey Y.. "GROUND OVERHAUSER DNP GEOPHYSICAL DEVICES." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING (2015): 215-222. https://doi.org/10.5593/sgem2015/b11/s1.027