by Carmeliet, Peter, Mackman, Nigel, Moons, Lieve, Luther, Thomas, Gressens, Pierre, Van Vlaenderen, Lise, Demunck, Hilde, Kasper, Michael, Breier, Georg, Evrard, Philippe, Müller, Martin, Risau, Werner, Edgington, Thomas, Collen, Désiré
Published in Nature (London) (05.09.1996)