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Author: Vinson, R. P. | Kissell, F. N.
Title: Three Coal Mine Ventilation Studies Using Sulfur Hexafluoride Tracer Gas.
Coporate: Bureau of Mines, Philadelphia, PA
Report: RI 8142, 1976, 22 p.
Keywords: coal mines | mine ventilation | sulfur hexafluoride | tracer tests | air movement | leakage | air flow