EN ISO 4833-1 (2014) Microbiology of the food chain: Horizontal method for the enumeration of microorganisms. Part 1: Colony count at 30 degrees C by the pour plate technique.
Grexa O, Valík Ľ, Kocková M, Karolyi L (2014) In: Turek P (Ed) Hygiena alimentorum XXXV, (pp 41—44). University of Veterinary Medicine and Pharmacy in Košice.