Mechanisms of immunological tolerance proceedings of a symposium held at Liblice near Prague, 1961 edited by M. Hasek, A. Lengerova and M. Vojtiskova. - Prague Publishing House of Czechoslovak Academy of Sciences Praha 1961. - 544p.: ill. ; 25cm. Includes bibliographical references and index Subjects--Topical Terms: Immunological tolerance--Congresses.