1. Calculation of coking charges on the basis of petrographic characteristics of coals;Ammosov;Koks i khimiya,1957
2. B.S. 6127, Part 1. 1981 Glossary of terms relating to the petrographic analysis of bituminous coal and anthracite
3. B.S. 6127, Part 3. 1981 Method of determining maceral group composition of bituminous coal and anthracite
4. B.S. 6127, Part 5. 1981 Method of determining microscopically the reflectance of vitrinite
5. Prediction of coke strength from the rank and petrographic composition of Australian coals;Brown;Fuel,1964