title: Investigation of porous asphalt microstructure using optical and electron microscopy.
authors.affiliation: Empa, Swiss Federal Laboratories for Materials Testing and Research, Laboratory for Road Engineering/Sealing Components, Dübendorf, Switzerland. lily.poulikakos@empa.ch
authors.forename: L D
authors.initials: LD
authors.lastname: Poulikakos
authors.forename: M N
authors.initials: MN
authors.lastname: Partl