@techreport{PhilippsEspertEichhorst2011,
  type      = {Working Paper},
  author    = {Philipps, Sebastian and Espert, Valentin and Eichhorst, Urda},
  title     = {Advancing sustainable public procurement in urban China : policy recommendations},
  series    = {Sustainable public procurement in urban administrations in China - paper},
  volume    = {14},
  institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie},
  address   = {Wuppertal},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:wup4-opus-40830},
  pages     = {16},
  year      = {2011},
  language  = {en}
}