texts and pictures in Yves Bossut World Wide Web site copyright to
YVES BOSSUT. Any commercial use or publication is strictly
prohibited without written authorization from Y. Bossut. Neither the
text nor the images published herein are for use in the public
domain. Reproduction, redistribution, or exploitation for personal
or corporate gain is strictly prohibited.
(all texts in
French by Yves Bossut ; English translation by TTI).