@incollection {Ruhnau-et-al-04,
	title = {{V}ariational {O}ptical {F}low {E}stimation for {P}article {I}mage {V}elocimetry},
	year = {2004},
	month = {Sept},
	publisher = {Deutsche {G}esellschaft f{\"u}r {L}aser-{A}nemometrie {GALA} e.V.},
	chapter = {30},
	address = {Karlsruhe}
}
