Annual report 1973.
Card's contents:702,631 703,693 Annual report 1973. Polish Academy of Sciences The ludwik Hirszfeld Institut of Immunology and Experimental Therapy, Wrocław. Ed. Stefan Slopek, Transl. by Edwin Paryski. Warszawa 1974 PZWL 8° s. 62, nib. 1. Supplement of Archiwum Immunologiae et Therapiae Experimentalis