Paper  bibtex   

@article{citeulike:6590127,
	title = {Density fluctuations in saturated phospholipid bilayers increase as the acyl-chain length decreases},
	volume = {58},
	url = {http://www.cell.com/biophysj/abstract/S0006-3495(90)82452-8},
	journal = {Biophys. J.},
	author = {Ipsen, J. H. and Jørgensen, K. and Mouritsen, O. G.},
	year = {1990},
	keywords = {membrane, pinkmodel, sfb},
	pages = {1099}
}