Media type: E-Article Title: UNUSUAL PAH EMISSION IN NEARBY EARLY-TYPE GALAXIES: A SIGNATURE OF AN INTERMEDIATE-AGE STELLAR POPULATION? Contributor: Vega, O.; Bressan, A.; Panuzzo, P.; Rampazzo, R.; Clemens, M.; Granato, G. L.; Buson, L.; Silva, L.; Zeilinger, W. W. Published: American Astronomical Society, 2010 Published in: The Astrophysical Journal, 721 (2010) 2, Seite 1090-1104 Language: Not determined DOI: 10.1088/0004-637x/721/2/1090 ISSN: 1538-4357; 0004-637X Keywords: Space and Planetary Science ; Astronomy and Astrophysics Origination: Footnote: Access State: Open Access