%0 Journal Article %A Karsten B.P. %A Bijleveld J.C. %A Viani L. %A Cornil J. %A Gierschner, Johannes %A Janssen R.A.J. %T Electronic structure of small band gap oligomers based on cyclopentadithiophenes and acceptor units %D 2009 %U http://hdl.handle.net/20.500.12614/298 %~