The 'Ginger-Beer Plant,' and the Organisms Composing It: A Contribution to the Study of Fermentation-Yeasts and Bacteria H. Ward
ET ISO 6611: Milk and milk products - Enumeration of colony-forming units of yeasts and/or molds - Colony-count technique at 25 degrees C Quality and Standards Authority of Ethiopia (QSAE)
EAS 68-3: Milk and milk products — Methods of microbiological examination Part 3: Enumeration of colony-forming units of yeasts and/or moulds ⎯ Colony-count technique at 25 °C East African Community
Studies on the microflora of Danish beech forest soils. IV. Yeasts and yeast-like fungi Jean-François Ponge
EAS 217-8: Microbiology of food and animal feeding stuffs — General guidance for enumeration of yeasts and moulds — Part 8: Colony count technique at 25 degrees C East African Community