Transient absorption and resonance Raman studies of the photoreduction of 2,2'-bipyridine by aminesG Buntinx, O Poizat, P Valat, V Wintgens, R Righini and P FoggiJ. Chim. Phys., 90 (1993) 1733-1748DOI: https://doi.org/10.1051/jcp/1993901733