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1Published 1979Subjects: “...Coal gasification Environmental aspects....”
Government Document Book -
2Published 1979Subjects: “...Coal gasification United States Testing....”
Government Document Book -
3Published 1979Subjects: “...Coal gasification Environmental aspects United States....”
Government Document Book -
4Published 1979Subjects: “...Coal gasification Environmental aspects United States Congresses....”
Government Document Conference Proceeding Book -
5Published 1982Subjects: “...Coal gasification Environmental aspects United States Congresses....”
Government Document Conference Proceeding Book -
6Published 1982Subjects: “...Coal gasification Environmental aspects United States Congresses....”
Government Document Conference Proceeding Book -
7Published 1976Subjects: “...Coal gasification Environmental aspects Congresses....”
Government Document Conference Proceeding Book