The normalised rim/disc area ratio line - Bartz-Schmidt, Karl Ulrich; Jonescu-Cuypers, Christian Paul; Thumann, Gabriele; Frucht, Juliane; Sengersdorf, Andrea; Hilgers, Ralf-Dieter; Karl Krieglstein, Günter (Springer, 1995)
http://dx.doi.org/10.1007/BF00130851
Keywords: WW-YZ