Hidrocarburos: Alcanos, Alquenos, Alquinos, Cicloalquenos, Gas Natural, Petr Leo, Metano, Hidrocarburo, Edwin Drake, Hidrocarburo Ali by Fuente: Wikipedia | 9781232504580 | Reviews, Description and More @ BetterWorldBooks.com
Natural gas - Wikipedia
List of oil and gas fields of the North Sea - Wikipedia | North sea, Oil and gas, Sea map