Evidence for bands arising from A 1Σu+ ( v = 3) level in the spectrum of As 2 Martin, Françoise ; Figuet, Jean ; Perdigon, Pierre Abstract Publication: Journal of Molecular Spectroscopy Pub Date: August 1975 DOI: 10.1016/0022-2852(75)90036-3 Bibcode: 1975JMoSp..57..319M