URN_NBN_SI_DOC-5ZZ0Q7J7

18. Sandeis M.: LIBRIS — a Com puterized Library System for Sw eden. G eneral inform ation. Stockholm , S w edish Council of Research Libraries M ay 1974. 14 str. 19. Z ivkovič B.: R eferral services in library netw orks. International Federation of Library A ssociations. 42nd Session. Lausanne A ugust 1976. Com m ittee on m echanization. 9 str. (ciklostil)