@article{2002gamma,
author={, .. and , .. and , ..},
title={Gamma ray spectrometry of rocks from a volcanic sequence penetrated by the SG-1 borehole and the radiogenic contribution to the total heat flow},
journal={Russian Journal of Earth Sciences},
publisher={Геофизический центр Российской Академии Наук},
year={2002},
pages={225-231},
volume={4},
issue={3},
}