Lithium and metal abundances in long period Am binaries I. Kh. Iliev, J. Budaj, J. Zverko, I. S. Barzova and J. Žižňovský Astron. Astrophys. Suppl. Ser., 128 3 (1998) 497-505 Published online: 15 March 1998 DOI: 10.1051/aas:1998160