00893nas 2200313-- 450 99641738220331620181115065151.6(OCoLC)2673891(CKB)110979839327687(CONSER)sc-78000713-(EXLCZ)9911097983932768720770112a19759999 --- aengCoal week[New YorkMcGraw-Hill]v28 cm"An intelligence service for executives in production, marketing and consumption of coal."0149-578X Coal tradeUnited StatesPeriodicalsCoal tradefast(OCoLC)fst00865513United StatesfastPeriodicals.fastCoal tradeCoal trade.662JOURNAL996417382203316Coal week2171380UNISA