Logo designed by Ruud Janssen for the book celebrating the 20 years history of the IUOMA. The book is still available on:
http://www.lulu.com/product/paperback/iuoma-1988-2008/11388318
The book itself also contains a lot of logo's and articles to document the IUOMA in all it's aspects. The cover of the book (165 pages) is shown above. The original logo looks like this:
