UNE-EN 26461-1:1995 WATER QUALITY. DETECTION AND ENUMERATION OF THE SPORES OF SULFITE-REDUCING ANAEROBES (CLOSTRIDIA). PART 1: METHOD BY ENRICHMENT IN A LIQUID MEDIUM. (ISO 6461-1:1986).
1995UNE-EN 26461-1:1995 WATER QUALITY. DETECTION AND ENUMERATION OF THE SPORES OF SULFITE-REDUCING ANAEROBES (CLOSTRIDIA). PART 1: METHOD BY ENRICHMENT IN A LIQUID MEDIUM. (ISO 6461-1:1986).