2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147257We discuss the observational status of the interstellar lithium isotopic ratio and its significance with respect to the galactic evolution of lithium.Invited Talk at ESO/EIPC Workshop on Light Elements Abundances, Isola d'Elba 23-28/05/94, 13 pages, TeX file + 5 appended figures in uuencoded .ps, uses epsf.sty; postscript version of paper and figures also available through anonymous ftp corton.iap.fr /pub/from_users/lemoine/, or on request. IAP-477Astrophysicstext