Books listed by ISBN > Netherlands, Belgium (Flemish) > Caelestia
| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1995 | 978-90-802220-1-4 | Wim van Utrecht ยท Frits van der Veldt | Unidentified Aerial Object Photographed Near Zwischbergen, Switzerland, on July 26, 1975: a Case Analysis |