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- [41] COMPUTER-PROGRAM SOURCE ASHRAE JOURNAL-AMERICAN SOCIETY OF HEATING REFRIGERATING AND AIR-CONDITIONING ENGINEERS, 1984, 26 (03): : 8 - 8
- [49] ORGANIC CONTENT OF DEVONIAN SHALE IN WESTERN APPALACHIAN BASIN AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1980, 64 (12): : 2156 - 2165