@article{KleinHeerenbrink2017, author = "Marco KleinHeerenbrink and L. Christoffer Johansson and Anders Hedenström", title = "{Spreading of vorticity and increased span efficiency from Multi-cored vortices support function of slotted wing tips of birds in gliding and flapping flight}", year = "2017", month = "5", url = "https://rs.figshare.com/articles/journal_contribution/Spreading_of_vorticity_and_increased_span_efficiency_from_Multi-cored_vortices_support_function_of_slotted_wing_tips_of_birds_in_gliding_and_flapping_flight/4982672", doi = "10.6084/m9.figshare.4982672.v1" }