I. McCulloch, M.J. Heeney, M.L. Chabinyc, D.M. DeLongchamp, R.J. Kline, Michael Coelle, Warren Duffy, D.A. Fischer, D.J. Gundlach, Behrong Hamadani et al. "Semiconducting Thienothiophene Copolymers: Design, Synthesis, Morphology, and Performance in Thin-Film Organic Transistors." ADVANCED MATERIALS 21 (2009): 1091-1109.

R. Hamilton, C. Bailey, Warren Duffy, M.J. Heeney, M. Shkunov, D. Sparrowe, S. Tierney, I. McCulloch, R.J. Kline, D.M. DeLongchamp et al. "The influence of molecular weight on the microstructure and thin film transistor characteristics of pBTTT polymers." In ORGANIC FIELD-EFFECT TRANSISTORS V, edited by Z Bao and D.J. Gundlach. Vol. 6336. PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) 6336. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA: SPIE, 2006.