@book{UBHD-67787265,
  author={Krellenberg, Kerstin and Lehn, Helmut},
  title={Clima Adapatación Santiago},
  publisher={Helmholtz-Zentrum f{\"u}r Umweltforschung, UFZ},
  address={Leipzig},
  year={2012},
  language={spa},
}
@book{UBHD-67787267,
  author={Krellenberg, Kerstin and Lehn, Helmut},
  title={Material informativo municipal - Pedro Aguirre Cerda},
  publisher={Helmholtz-Zentrum f{\"u}r Umweltforschung, UFZ},
  address={Leipzig},
  year={2012},
  language={spa},
}
@book{UBHD-67787268,
  author={Krellenberg, Kerstin and Lehn, Helmut},
  title={Material informativo municipal - La Florida},
  publisher={Helmholtz-Zentrum f{\"u}r Umweltforschung, UFZ},
  address={Leipzig},
  year={2012},
  language={spa},
}
@book{UBHD-67787251,
  author={Krellenberg, Kerstin and Lehn, Helmut},
  title={Material informativo municipal - Lampa},
  subtitle={CAS},
  publisher={Helmholtz-Zentrum f{\"u}r Umweltforschung, UFZ},
  address={Leipzig},
  year={2013},
  pages={27 S.},
  language={spa},
}
@book{UBHD-67787269,
  author={Krellenberg, Kerstin and Lehn, Helmut},
  title={Plan de Adaptación al cambio climático para la región Metropolitana de Santiago de Chile},
  publisher={Helmholtz-Zentrum f{\"u}r Umweltforschung, UFZ},
  address={Leipzig},
  year={2012},
  language={spa},
}
@book{UBHD-1777330,
  author={Lehn, Helmut},
  title={Aufnahme und Verteilung von Thallium, Cadmium, Blei und Zink in ausgew{\"a}hlten Nutzpflanzen},
  year={19XX-},
  language={ger},
  school={Heidelberg, Univ., Diss., 1986},
  library={UB},
}
@article{UBHD-67787243,
  author={Lehn, Helmut},
  title={Ohne nachhaltiges Wassermanagement keine nachhaltige Entwicklung},
  subtitle={die Wassergruppe des ITAS unterst{\"u}tzt Entscheidungstr{\"a}ger beim Design gerechterer Nutzungsstrategien f{\"u}r Wasserressourcen und -dienstleistungen},
  year={2014},
  pages={300-301},
  language={ger},
  issn={0016-4909},
  volume={155},
  number={3},
  note={Gesehen am 11.03.2015},
  journal={GWF},
}
@incollection{UBHD-67787262,
  author={Lehn, Helmut},
  title={Risks and opportunities for sustainable management of water resources and services in Santiago de Chile},
  year={2012},
  pages={251-278},
  language={eng},
  isbn={978-3-642-11544-8},
  booktitle={Risk Habitat Megacity},
}
@incollection{UBHD-67787260,
  author={L{\"u}thi, Christoph and Lehn, Helmut},
  title={SuSanA factsheet: Planning of sustainable sanitation for cities (Cities and planning: Working group 6)},
  year={2012},
  pages={1-8},
  language={eng},
  booktitle={Compilation of 13 factsheets on key sustainable sanitation topics},
  editor={M{\"u}nch, Elisabeth von},
}
@article{UBHD-68096936,
  author={Nayono, Satoto Endar and Lehn, Helmut},
  title={Improving sustainability by technology assessment and systems analysis},
  subtitle={the case of IWRM Indonesia},
  year={2016},
  pages={279-292},
  language={eng},
  issn={2190-5495},
  volume={6},
  number={3},
  note={Gesehen am 17.03.2017},
  journal={Applied water science},
  doi={10.1007/s13201-016-0427-y},
}
@conference{UBHD-67787258,
  author={Nayono, Suwartanti and Lehn, Helmut},
  title={Development of a tool to analyze wastewater treatment sustainability},
  subtitle={indicators to assess technologies for rural areas in developing countries},
  year={2012},
  pages={283-289},
  language={eng},
  isbn={3-8396-0478-8 and 978-3-8396-0478-6},
}
@article{UBHD-68096937,
  author={Petney, Trevor and Lehn, Helmut},
  title={Northeast Thailand},
  subtitle={new approaches for avoiding water related liver cancer},
  year={2016},
  pages={118-123},
  language={eng},
  volume={1},
  journal={WaterSolutions},
}
@incollection{UBHD-67787253,
  author={Simon, Laura Margarete and Oertel, Melanie and Lehn, Helmut},
  title={Climate change in central Chile},
  subtitle={challenges for the urban and agricultural sector},
  year={2013},
  pages={163-178},
  language={eng},
  booktitle={Global demographic and climate challenges in the city},
}
@article{UBHD-67787256,
  author={Simon, Laura Margarete and Lehn, Helmut},
  title={The sustainability performance of the water and sanitation services in Santiago de Chile},
  year={2012},
  pages={854-861},
  language={eng},
  volume={12},
  number={6},
  note={Gesehen am 11.03.2015},
  journal={Water science & technology},
  doi={10.2166/ws.2012.061},
}