@article{2009technology, author={, .. and , .. and , .. and , .. and , .. and , .. and , .. and , .. and , .. and , .. and , .. and , .. and , .. and , ..}, title={Technology of creation of digital charts of the Earth's main magnetic field}, journal={Russian Journal of Earth Sciences}, publisher={Геофизический центр Российской Академии Наук}, year={2009}, pages={1-6}, volume={11}, issue={2}, }