TY - BOOK AU - McPherson,Malcolm J. TI - Subsurface ventilation and environmental engineering SN - 0-412-35300-8 AV - TN 301 .M37 1993 PY - 1993/// CY - New York PB - Chapman & Hall KW - Mine ventilation KW - Air KW - Pollution KW - Mine fires KW - Mine explosions KW - Underground areas KW - Heating and ventilation KW - Fires and fire prevention KW - Explosions N1 - Includes bibliographical references and index ER -