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Coal research organizations :their activities and publications

Coal research organizations :worldwide activities and publications

Published Year

• 1960-1969 (2)

Subject

• Coal--Research (1)
• Coal--Research--Societies, etc--Bibliography (1)
• Coal--Research--Societies, etc--Directories (1)

Author

• Esfandiary, Mary S. (2) *
• Perry, Harry, (1)

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