@article{ziherl_zumer_podgornik_1998,  title={Fluctuation-induced structural forces in nematic films},  volume={28},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97331998000400003},  DOI={10.1590/S0103-97331998000400003},  number={4},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Ziherl, P. and Zumer, S. and Podgornik, R.},  year={1998},  month={Dec},  pages={267–273} }