Edited by the Editorial Board of the International Committee on Bacteriological Nomenclature. Approved by the Judicial Commission of the International Committee on Bacteriological Nomenclature, the International Committee on Bacteriological Nomenclature, the International Association of Micrbiological Societies [and] the plenary session of the VI International Congress of Microbiology, Rome, Italy, September, 1953
sponsored by the UN Institute for Training and Research (UNITAR) and the Ministry for Research and Technology of the Federal Republic of Germany, held in Göttingen, October 1976 ; edited by H. G. Schlegel and J. Barnea