1. Fifteenth Symposium (International) on Combustion;Anthony,1974
2. Fifteenth Symposium (International) on Combustion;Suuberg,1978
3. International Conference on Coal Science;Unger,1973
4. Unger, P. E. and Suuberg, E. M. ‘Molecular Weight Distributions of Tars Produced by Flash Pyrolysis of Coals’, submitted to Fuel