Characterization of the microstructure and macrostructure of coal-derived asphaltenes by nuclear magnetic resonance spectrometry and x-ray diffraction

1983 ◽  
Vol 55 (1) ◽  
pp. 42-45 ◽  
Author(s):  
I. Schwager ◽  
P. A. Farmanian ◽  
J. T. Kwan ◽  
V. A. Weinberg ◽  
T. F. Yen
1987 ◽  
Vol 26 (7) ◽  
pp. 1284-1286 ◽  
Author(s):  
Jasenka Muehl ◽  
Vlasta Srica ◽  
Vida Jarm ◽  
Margita Kovac-Filipovic

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