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- [4] Top forty miners earn big bucks : Syncrude heads top 40 list with earnings of $12.3 billion Canadian Mining Journal, 2009, 130 (06): : 12 - 17
- [6] SMART MATERIALS MARKET TO REACH $42.2 BILLION IN 2019 ADVANCED MATERIALS & PROCESSES, 2015, 173 (04): : 6 - 6
- [7] Spending in 2009 for equipment, materials to be up $7 billion HYDROCARBON PROCESSING, 2008, 87 (10): : 17 - +