Photodesorption and product formation in UV-irradiated N2 and NH3 ices under ultra-high-vacuum conditionsG.A. Cruz-Diaz, G.M. Muñoz Caro and A. Jiménez-EscobarEAS Publications Series, 58 (2012) 333-336DOI: https://doi.org/10.1051/eas/1258054