00484oam 2200169z- 450 9910714350103321(CKB)4100000011741618(EXLCZ)99410000001174161820230509c2016uuuu -u- -engNatural gas : a key part of the global energy mixWashington, D.CNatural GasBOOK9910714350103321Natural gas : a key part of the global energy mix3256544UNINA