reference(s)

1. Flickr Mashups, by David A. Wilkinson, Wrox -- info)
2. Amazon.com Mashups, byFrancis Shanahan -- info
3. del.icio.us Mashups, by Brett O'Connor -- (info)
4. Web APIs with PHP, by Paul Reinheimer, Wrox -- (info)
5. Professional Adobe Flex 2 (Programmer to Programmer) by Rich Tretola, Simon Barber, and Renaun Erickson -- (amazon)
6. Visualizing the Semantic Web: XML-based Internet and Information Visualization by Vladimir Geroimenko -- (amazon)
7. A. Eliëns, topical media & game development -- media.eliens.net