42714 Ergebnisse
Sortierung:
ISSN: 0016-4909
ISSN: 0016-4909
ISSN: 0341-2539
ISSN: 0367-3839
In: New left review: NLR, Heft 238, S. 81-96
ISSN: 0028-6060
In: Defence, Band 21, Heft 12, S. 766-770
ISSN: 0142-6184
World Affairs Online
In: The world today, Band 66, Heft 8-9, S. 38-39
ISSN: 0043-9134
In the last decade America has rapidly developed a new source of gas found naturally in rocks. It now provides a fifth of national needs. Such gas is present in Europe too, and whether or not it is practical to extract it, it is already having an effect on future supplies. Adapted from the source document.