@article {Barbero2019535,
	title = {Fourth-order nematic elasticity and modulated nematic phases: a poor man{\textquoteright}s approach},
	journal = {Liquid Crystals},
	volume = {46},
	number = {4},
	year = {2019},
	pages = {535-542},
	doi = {10.1080/02678292.2018.1512167},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85053375635\&doi=10.1080\%2f02678292.2018.1512167\&partnerID=40\&md5=9701bd04f71866aee70bb92e654fcd35},
	author = {Barbero, G. and Lelidis, I.}
}
