| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Social Implications of the Detection of Extraterrestrial Civilization: Report on Workshops As the Cultural Aspects of Seti | 978-O-9666335-O-4 (O-9666335-O-4) | 1999 | John Billingham · David Milne · Seth Shostak |
R. H. · Roger H. · Roger W. Heyns