TY  - JOUR
AU  - V. I. Kasatochkin
AU  - N. K. Larina
TI  - An investigation of thehumic acid structure in fossil coals
JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 139
EP  - 142
VL  - 114
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_114_1_a33/
LA  - ru
ID  - DAN_1957_114_1_a33
ER  -