North American Electric Reliability Council (NERC), Impact of FGD Availability Losses Experienced by Flue Gas Desulfurization Systems, NERC Generating Availability Trend Evaluations Working Group, July 1991।
NERC এ ফ্লু গেছ ডিছালফিউৰাইজেশ্যনৰ বাবে উপলব্ধতাৰ প্ৰভাৱ বিশ্লেষণ কৰিছে।