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Proceedings of the 3rd Mine Ventilation Symposium : October 12-14, 1987, the Pennsylvania State University, University Park, Pennsylvania /

Proceedings of the 3rd Mine Ventilation Symposium : October 12-14, 1987, the Pennsylvania State University, University Park, Pennsylvania / Jan M. Mutmansky, symposium chairman and proceedings editor ; sponsored by Underground Ventilation Committee of SME. - Littleton, Colo. : Society of Mining Engineers, 1987. - x, 630 p. : ill.

0873350707


Mine ventilation--Congresses.