@article{701665,
     title = {List of participants},
     booktitle = {Proceedings of the 20th Winter School "Geometry and Physics"},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {2001},
     pages = {9-10},
     url = {http://dml.mathdoc.fr/item/701665}
}

 (éd.). List of participants, dans Proceedings of the 20th Winter School "Geometry and Physics", GDML_Books,  (2001), pp. 9-10. http://gdmltest.u-ga.fr/item/701665/