TY  - SER
AU  - Robertson,Helen
TI  - The age of cheap oil is over
PY  - 2010///
CY  - 
PB  - 
N2  - Transcripción del resumen del autor. Oil prices could reach $135/b by 2035 says the IEA, as conventional output declines, while China drives rising demand, reports Helen Robertson
ER  -