John G. Geer
In Defense of Negativity
Attack Ads in Presidential Campaigns
Theo E. Wong is professor of geosciences at Utrecht University. He is affiliated with the Netherlands Institute of Applied Geosciences.
Dick A. J. Batjes is a petroleum geologist at Shell International Petroleum Maatschappij, the Netherlands.
Jan de Jager has worked for oil and energy companies in the Netherlands and Malaysia.