Preat, T., Therond, P., Limbourg-Bouchon, B., Pham, A., Tricoire, H., Busson, D., Lamour-Isnard, C. (1993). Segmental polarity in Drosophila melanogaster: genetic dissection of fused in a suppressor of fused background reveals interaction with costal-2.
Genetics 135(4): 1047--1062.