Scharpf, Fritz W. Projektbereiche vor 1997, MPI for the Study of Societies, Max Planck Society;
http://www.mpifg.de/pu/workpap/wp97-8/wp97-8.html (Any fulltext)
Scharpf, F. W. (1997). Balancing Positive and Negative Integration: The Regulatory Options for Europe. Policy paper.