Book Chapter
Strati, Filippo/ Schleicher-Tappeser, Ruggero, (1999): A Flexible Tool for Valuating and Evaluating the Sustainable Development. In: Catizzone, M.: From Ecosystem Research to Sustainable Development. Towards a New Paradigma for Ecosystem Research (= Ecosystem Research Reports N° 26, p. 59-74. Luxembourg: European Commission. ISBN 92-828-6425-1.