Immunofluorescent studies of group-specific antigen of the avian sarcoma-leukosis viruses. Payne, F. E. ; Solomon, J. J. ; Purchase, H. G. Abstract Publication: Proceedings of the National Academy of Science Pub Date: February 1966 DOI: 10.1073/pnas.55.2.341 Bibcode: 1966PNAS...55..341P