...or flexible billboards? J Cell Biochem 94: 890–898. ↵Arnosti DN, Barolo S, Levine M, Small S. 1996. The eve stripe 2 enhancer employs multiple modes of transcriptional synergy. Development 122: 205–214. ↵Bates DM, Watts DG. 1988. Nonlinear regression
analysis and its applications. John Wiley & Sons, New York...