2
Published 1979
American Chemical Society
Subjects: ...Coal liquifaction / Canada...

3
Published 1983
American Chemical Society
Subjects: ...Coal / chemistry...

5
Published 1978
American Chemical Society
Subjects: ...Coal liquifaction...

6
Published 1980
American Chemical Society
Subjects: ...Coal...

7
Published 1984
American Chemical Society
Subjects: ...Coal liquifaction...

8
Published 1978
American Chemical Society
Subjects: ...Coal / analysis...