Stephan Rist et Lucas Rist, "Towards a post-materialist understanding of science – lessons learnt form the interface of biodynamic agriculture and research." Acroasis in conventu Bridging Scales and Epistemologies: Linking Local Knowledge with Global Science in Multi-Scale Assessments habita, Martio 2004. Textus (PDF).
web.archive.org
Commission for Environmental Cooperation and TerraChoice Environmental Services Inc, Environmental and Other Labelling of Coffee: the role of mutual recognition, supporting cooperative action (Maio 2004). Textus PDF.
