TY - GEN DO - 10.6083/M4WW7FKH DO - DOI AD - Oregon Graduate Center T1 - A diode laser source for DIAL methane measurements in coal mines DA - 1985 AU - DeFreez, Richard K. L1 - https://digitalcollections.ohsu.edu/record/78/files/78_etd.pdf PB - Oregon Graduate Center PY - 1985 ID - 78 L4 - https://digitalcollections.ohsu.edu/record/78/files/78_etd.pdf KW - semiconductor lasers KW - injection lasers KW - coal mines and mining TI - A diode laser source for DIAL methane measurements in coal mines Y1 - 1985 L2 - https://digitalcollections.ohsu.edu/record/78/files/78_etd.pdf LK - https://digitalcollections.ohsu.edu/record/78/files/78_etd.pdf UR - https://digitalcollections.ohsu.edu/record/78/files/78_etd.pdf ER -