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A process to make high-BTU gas from coal
Strongly caking coal gasified in a stirred-bed producer
Nuclear gages for monitoring the coalbed of commercial-scale pressurized gas producers
Gases desorbed from five coals of low gas content
Noncaking coal gasified in a stirred-bed producer
Foam stimulation to enhance production from degasification wells in the Pittsburgh coalbed
Erosion testing of potential valve materials for coal gasification systems