TY - JOUR AU - McCulloch,I AU - Heeney,M DO - 10.1002/9780470745533.ch17 EP - 672 PY - 2009/// SP - 647 TI - Thienothiophene Copolymers in Field Effect Transistors UR - http://dx.doi.org/10.1002/9780470745533.ch17 ER -