A deep echelle survey and new analysis of diffuse interstellar bandsS. Ó. Tuairisg, J. Cami, B. H. Foing, P. Sonnentrucker and P. EhrenfreundAstron. Astrophys. Suppl. Ser., 142 2 (2000) 225-238DOI: https://doi.org/10.1051/aas:2000148