Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli. Part 1. Colony-count technique at 44 °C using membranes and 5-bromo-4-chloro-3-indolyl β-D-glucuronide
Safety of household and similar electrical appliances. Particular requirements for frying pans, deep fat fryers and similar appliances and test methods
System of standards on information, librarianship and publishing. Stock-taking units of libraries and scientific of technical information centres collections
