@article{Campbell_1990,<br/><span class="tab"></span> title={Recent Developments in the Theory of π-Conjugated Polymers},<br/><span class="tab"></span> volume={189},<br/><span class="tab"></span> ISSN={1044-1859},<br/><span class="tab"></span> url={http://dx.doi.org/10.1080/00268949008037223},<br/><span class="tab"></span> DOI={10.1080/00268949008037223},<br/><span class="tab"></span> number={1},<br/><span class="tab"></span> journal={Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics},<br/><span class="tab"></span> publisher={Informa UK Limited},<br/><span class="tab"></span> author={Campbell,<br/><span class="tab"></span> D. K.},<br/><span class="tab"></span> year={1990},<br/><span class="tab"></span> month=oct,<br/><span class="tab"></span> pages={65–80} }