Water quality -- Enumeration of Escherichia coli and coliform bacteria -- Part 1: Membrane filtration method for waters with low bacterial background flora -- Amendment 1— 6 стр.
Information processing; 9-Track, 12,7 mm (0.5 in) wide magnetic tape for information interchange; Format and recording, using group coding at 246 cpmm (6 250 cpi)— 18 стр.
Processed cheese and processed cheese products. Calculation of the content of added citrate emulsifying agents and acidifiers/pH-controlling agents, expressed as citric acid— 10 стр.