Lupano, Wilfrid (2) Paperblanks (2) Grataloup, Christian, Asterisk (1) Cohen-tannoudji, Claude (university Of Paris), Dupont-roc, Jacques (cnrs (laboratoire Kastler Brossel At The Ecole Normale Superieure); University Of Paris, Grynberg, Gilbert (ecole Polytechnique; Cnrs; University Of Paris (1) J. Sanders (1)