System of standards for implementing carbon offsettingp rojects. Methodology for carbon offsetting projects for estimating organic carbon reserves in soil on arable lands
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