BETH E. /red./ 539,334 The role of viruses in human cancer. New York 1980 Elsevier /North-Holland 8° (Vol. 1.) Proceedings of the First International Congress of Viral Oncology of the T. ant L. de Beaumont Bonelli Foundation for Cancer Research held in Neples, Italy, September 21-23, 1979. Ed. G. Giraldo and E. Beth. s. nlb. 12, 292, il.