@article{701457,
     title = {List of participants},
     booktitle = {Proceedings of the Winter School "Geometry and Physics"},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {1990},
     pages = {[9]-13},
     url = {http://dml.mathdoc.fr/item/701457}
}

 (éd.). List of participants, dans Proceedings of the Winter School "Geometry and Physics", GDML_Books,  (1990), pp. [9]-13. http://gdmltest.u-ga.fr/item/701457/