info:oai:pure.iiasa.ac.at:13442info:ofi/fmt:xml:xsd:journalLiuY.Liu, Y.ChenJ.Chen, J.MolA.P.J.Mol, A.P.J.AyresR.Ayres, R.251August 20070921-3449Comparative analysis of phosphorus use within national and local economies in ChinaResources, Conservation and Recycling454-474article