Paper  doi  bibtex   

@article{kleinhans_sorting_2004,
	title = {Sorting in grain flows at the lee side of dunes},
	volume = {65},
	issn = {00128252},
	url = {http://linkinghub.elsevier.com/retrieve/pii/S0012825203000813},
	doi = {10.1016/S0012-8252(03)00081-3},
	language = {en},
	number = {1-2},
	urldate = {2014-07-24TZ},
	journal = {Earth-Science Reviews},
	author = {Kleinhans, M.G.},
	month = mar,
	year = {2004},
	pages = {75--102}
}