TY - JOUR AU - McCulloch,I AU - Heeney,M AU - Bailey,C EP - 1079 PY - 2005/// SN - 0002-7863 SP - 1078 TI - Stable Polythiophene Semiconductors Incorporating Thieno[2,3-b]thiophene T2 - J. Am. Chem. Soc VL - 127 ER -