1. Composition of heavy petroleums. 1. Molecular weight, hydrogen deficiency, and heteroatom concentration as a function of atmospheric equivalent boiling point up to 1400.degree.F (760.degree.C)
2. Gupta, S. C.; Handa, S. InProceedings of National Symposium on Advances in Production and Application of Lube Base Stocks,IIP,Dehradun; Singh, H., Prasada Rao, T. S. R., Eds.; Tata McGraw-Hill: New Delhi, India, 1994; p 138.
3. Sharma, R. L.; Adhvaryu, A.; Singh, I. D. In ref 2, p 280.
4. Singh, H.; Singh, I. D. In ref 2, p 288.
5. Symposium - Mass Spectrometry in Fossil Fuels Research: An Introduction