@article{DAN_1963_153_4_a21,
     author = {S. A. Gordon and M. A. Menkovskii and N. N. Nurminskii},
     title = {On the chemical characteristic of organogermanium compounds in coals},
     journal = {Doklady Akademii Nauk},
     pages = {840--841},
     publisher = {mathdoc},
     volume = {153},
     number = {4},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_153_4_a21/}
}