UFO Book Preface:

‘Vorwort zur französischen Ausgabe des Buches 
„UFOs über Europa“ (1999)’

(‘Preface to the French Edition of the Book 
“UFOs over Europe” (1999)’)

by Illobrand von Ludwiger, Februar 2005

(MUFON-CES, Feldkirchen-Westerham, Germany)

The preface focuses partly on the December 1980 Rendlesham Forest, UK, UFO case:

http://www.mufon-ces.org/fileadmin/downloads/vorwort2005.pdf

English translation:

http://translate.google.com/translate?sl=de&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&eotf=1&u=http%3A%2F%2Fwww.mufon-ces.org%2Ffileadmin%2Fdownloads%2Fvorwort2005.pdf

Illobrand von Ludwiger,
German Astrophysicist,
Director of MUFON-CES,
UFO Author & Researcher
(wikimedia.org photo)