Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli. Part 2. Colony-count technique at 44 °C using 5-bromo-4-chloro-3-indolyl β-D-glucuronide
Occupational safety standards system. Cabs and operator's workplaces of tractors, building-road machines, single-axle prime movers, quarry dump trucks and powered agricultural machines. General safety requirements
