"This book presents the results of the shared cost research project 'Market effects of countryside stewardship policies', also called STEWPOL-project, which started in April, 1996."_Pref.
Countryside stewardship : farmers, policies and markets by Guido van Huylenbroeck. ISBN 0080435874. Published by Pergamon in 1999. Publication and catalogue information, links to buy online and reader comments.