@incollection{HammerschmidTamyko2014, author = {Gerhard Hammerschmid and Ysa Tamyko}, title = {Empirical PPP Experiences in Europe: National Variations of a Global Concept}, booktitle = {International Handbook on Public-Private-Partnerships}, editor = {Hodge Graeme and Carsten Greve and Anthony E. Boardman}, isbn = {9781848443563}, year = {2014}, }