Media type: E-Article Title: Vertical Illuminance Based Crosswalk Illumination Contributor: Saraiji, Riad Published: Informa UK Limited, 2009 Published in: LEUKOS, 6 (2009) 2, Seite 153-167 Language: English DOI: 10.1080/15502724.2009.10747635 ISSN: 1550-2724; 1550-2716 Keywords: Atomic and Molecular Physics, and Optics Origination: Footnote: