Dr. Fasan has published dozens of articles on problems of space law, including Metalaw and SETI. In 1970, Dr. Fasan published the seminal book on Metalaw, Relations with Alien Intelligences: The Scientific Basis of Metalaw.
In June 2008, as an honorary director, Dr. Fasan was among those representing the IISL when it was granted Permanent Observer status before the United Nations Committee on the Peaceful Uses of Outer Space (COPUOS). He remains active in the SETI field as a member of the SETI Permanent Study Group of the International Academy of Astronautics.
Sources
Ernst Fasan, Relations with Alien Intelligences: The Scientific Basis of Metalaw, Berlin Verlag, Berlin, 1970
B.P. Besser, Austria's Ascent into Space: A short historical account, Proceedings of the Concluding Workshop of the Extended ESA History Project, 13-13 April 2005
IISL granted Permanent Observer status within UN-COPUOS