info:oai:orgprints.org:5949info:ofi/fmt:xml:xsd:bookGranstedtArturGranstedt, ArturSchneiderThomasSchneider, ThomasSeuriPenttiSeuri, PenttiThomssonOlofThomsson, Olof2005The potential of ecological recycling agriculture (ERA) for improved nature resource conservation and reduced environmental impacts in the Baltic Sea drainage areaproceeding