TY  - JOUR
AU  - R. N. Smirnov
AU  - N. M. Karavaev
TI  - The nature of the systems of conjugate bonds in coals
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 597
EP  - 599
VL  - 162
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_162_3_a29/
LA  - ru
ID  - DAN_1965_162_3_a29
ER  -