Citation: Jc. Hower et al., Changes in the quality of coal delivered to Kentucky power plants, 1978 to1997: responses to Clean Air Act directives, INT J COAL, 41(1-2), 1999, pp. 125-155
Citation: Jc. Hower et al., Changes in the quality of coal combustion by-products produced by Kentuckypower plants, 1978 to 1997: consequences of Clean Air Act directives, FUEL, 78(6), 1999, pp. 701-712