@misc{BERNHOLDLELLEKKOERSetal.2014,
  author    = {BERNHOLD, T. and LELLEK, V. and KOERS, J. and YOUSSEF, L.},
  title     = {International RESER Conference: Visualization of services - Closing expectations gaps and increasing service quality, XXIV. RESER Conference, 11.-13. September 2014, Helsinki, Finnland},
  pages     = {S. 900 -- 911},
  year      = {2014},
  language  = {en}
}
@misc{BERNHOLDLATTUCHRIEMENSCHNEIDER2014,
  author    = {BERNHOLD, T. and LATTUCH, F. and RIEMENSCHNEIDER, F.},
  title     = {Success dimensions for major real estate projects: the case of stadium development, SCEE`2014 Conference, Riga Technical University 55th International Scientific Conference, 14-17 October 2014},
  year      = {2014},
  language  = {en}
}
@misc{LELLEKBERNHOLD2015,
  author    = {LELLEK, V. and BERNHOLD, T.},
  title     = {Productivity Measurement of Service - Models and Web-based Computer Applications; 3rd International Conference on Management, Leadership and Governance - ICMLG 2015, 12-13 February 2015, Auckland, New Zealand.},
  year      = {2015},
  language  = {en}
}
@article{BERNHOLDLATTUCHRIEMENSCHNEIDER2014,
  author    = {BERNHOLD, T. and LATTUCH, F. and RIEMENSCHNEIDER, F.},
  title     = {Success Dimensions for Major Real Estate Projects: The Case of Stadium Development},
  series = {Baltic Journal of Real Estate Economics and Construction Management},
  journal   = {Baltic Journal of Real Estate Economics and Construction Management},
  number    = {2},
  pages     = {23 -- 29},
  year      = {2014},
  language  = {en}
}
@incollection{BERNHOLDKALINGLELLEK2012,
  author    = {BERNHOLD, T. and KALING, N. and LELLEK, V.},
  title     = {Productivity Measurement Model - A Holistic Approach For Services},
  series = {JUNGHANS, A.; JENSEN, P. A (Editors) Proceedings of the 11th EuroFM Research Symposium, 24.-25. May 2012 in Copenhagen, Denmark},
  booktitle = {JUNGHANS, A.; JENSEN, P. A (Editors) Proceedings of the 11th EuroFM Research Symposium, 24.-25. May 2012 in Copenhagen, Denmark},
  publisher = {Polyeknisk Forlag 2012},
  address   = {Lyngby :},
  pages     = {20 -- 30},
  year      = {2012},
  language  = {en}
}
@article{BECKERBERNHOLDBEVERUNGENetal.2012,
  author    = {BECKER, J. and BERNHOLD, T. and BEVERUNGEN, D. and KALING, N. and KNACKSTEDT, R. and LELLEK, V. and RAUER, H. P.},
  title     = {Construction of Productivity Models: A Tool Supported Approach in the Area of Facility Management},
  series = {Enterprise Modelling and Information Systems Architectures},
  volume    = {7},
  journal   = {Enterprise Modelling and Information Systems Architectures},
  number    = {1},
  doi       = {10.18417/emisa.7.1.2},
  pages     = {26 -- 40},
  year      = {2012},
  language  = {en}
}
@misc{BERNHOLDLELLEKKUeRSCHNERetal.2013,
  author    = {BERNHOLD, T. and LELLEK, V. and K{\"U}RSCHNER, M. and AVERBECK, A.-K.},
  title     = {Productivity Measurement of Facility Services - A web-based CAFM Application; XXIII International RESER Conference; September 19th-21st 2013, Aix en Provence},
  year      = {2013},
  language  = {en}
}
@misc{KOERSLELLEKBERNHOLDetal.2014,
  author    = {KOERS, J. and LELLEK, V. and BERNHOLD, T. and YOUSSEF, L.},
  title     = {Visualization of services - Closing expectation gaps and increasing service quality; 24th Annual RESER Conference, September 11-13, 2014, Helsinki, Finland.},
  year      = {2014},
  language  = {en}
}
@incollection{KOERSLELLEKBERNHOLDetal.2014,
  author    = {KOERS, J. and LELLEK, V. and BERNHOLD, T. and YOUSSEF, L.},
  title     = {Visualization of services - Closing expectation gaps and increasing service quality.},
  series = {Thomas Baaken und Janusz Teczke (Hg.): Managing Disruption and Destabilisation},
  booktitle = {Thomas Baaken und Janusz Teczke (Hg.): Managing Disruption and Destabilisation},
  publisher = {International Management Foundation, Cracow University of Economics},
  address   = {M{\"u}nster, Krakau},
  pages     = {331 -- 340},
  year      = {2014},
  language  = {en}
}
@misc{BERNHOLDKALINGLELLEK2011,
  author    = {BERNHOLD, T. and KALING, N. and LELLEK, V.},
  title     = {Measurement of productivity of property services: an empiric analysis of the status quo, XXI. International RESER Conference, Hamburg, 07.09.-10.09.2011 2011},
  year      = {2011},
  language  = {en}
}