Erdgas - eine rohstoff- und energiequelle von zunehmender bedeutung
Probleme der Gewinnung mineralischer Rohstoffe aus dem Meer
Surface sediment- and manganese nodule facies, encountered on RV "Valdivia" cruises 1972/73
Manganese Nodules - a Further Resource to Cover the Mineral Requirements?
La mer, un debouche nouveau pour l'industrie metallurgique
A look at North Sea oil prospects through eyes of experience
Space acquired imagery, a versatile tool in the development of energy sources
Status of drill stem testing tools for offshore applications
In situ coal gasification: a unique means of energy recovery
Erkundung mariner Lagerstaetten mit Bodenschleppsonden
Oxy outlines proven North Sea development drilling program