Skattefrie sammenslutninger, Universitetsforlaget (1981)
Recognition of foreign enterprises as taxable entities, International Fiscal Association (1988)
EØS Håndboken, Universitetsforlaget, 2.utg. (1999) (co-writer)
Norsk gassavsetning - Rettslige hovedelementer, Oslo (1999) (co-writer)
European Law in the German-Norwegian Context: Sale of Norwegian natural gas - The Gas Market Directive, Berlin Verlag (2002) (co-writer)
A new legal Regime for Gas Contracts, European Energy Law Report II, Intersentia, Antwerpen-Oxford (2005) (co-writer)
Various articles on oil and energy law.
Current speaker at national and international conferences in the oil and energy sectors.