1. Council of Europe European Convention for the Protection of Vertebrate Animals Used for Experimental and Other Specific Purposes. Article 6 in COM (85) Final ISBM: 92-77-10665-4, Commission of the European Community.
2. European Pharmacopoeia. Clostridium novyi, perfringens and septicum Vaccines for Veterinary Use, 2nd edn, part II—8 numbers 362, 363, 364.
3. European Pharmacopoeia. Clostridium Novyi Alpha, Perfringens Beta Perfringens Epsilon Antitoxin for Veterinary Use. 2nd edn, part II—8 numbers 339, 340, 341.