Russian standards PDF
Karaganda Basin coals for pulverized burning. Specifications
Document status: Withdrawn
Coals of Middle Asia for pulverized burning. Specifications
Document status: Withdrawn
Coals of Lvov-Volynsk. Basin for domestic needs. Specifications
Document status: Cancelled
Brown coals and hard coals. Methods for the determination of humic acids yields
Document status: Replaced by GOST 9517-94