Microbiology - General guidance for the enumeration of Bacillus cereus - Colony-count technique at 30 °C (ISO 7932:1993, including Technical Corrigendum 1:1997)— 9 стр.
Milk and milk products - General guidance for the preparation of test samples, initial suspensions and decimal dilutions for microbiological examination (ISO 8261:2001); German version EN ISO 8261:2001— 13 стр.