Writing this book would have been impossible without the help of certain institutions and persons. For a gas-producing and oil-processing country like the Netherlands, there was surprisingly very little, publicly available, research material. Public libraries' collections contained, with a certain degree of inconsistency, little of the more specialised sources. I would therefore like to express my gratitude towards Royal Dutch Shell, and especially the library staff in The Hague, for allowing me to use the company's library, thanking them for their assistance in finding and supplying the...