Water quality -- Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza -- Method using a stock culture independent microbiotest— 28 стр.
Information technology. Data interchange on 130mm (5,25 in) flexible disk cartridges using modified frequency modulation recording at 7 958 ftprad, 1,9 tpmm (48 tpi), on both sides. ISO type 202. Dimensional, physical and magnetic characteristics— 32 стр.
Information technology. Computer graphics. Interfacing techniques for dialogues with graphical devices (CGI). Data stream binding. Binary encoding— 80 стр.
Information technology. Computer graphics. Interfacing techniques for dialogues with graphical devices (CGI). Data stream binding. Character encoding— 72 стр.
Information processing. 9-track, 12,7 mm (0,5 in) wide magnetic tape for information interchange using phase encoding at 126 ftpmm (3200 ftpi) - 63 cpmm (1600 cpi)— 20 стр.
Information processing. 9-track, 12,7 mm (0,5 in) wide magnetic tape for information interchange using NRZ1 at 32 ftpmm (800 ftpi). 32 cpmm (800 cpi)— 16 стр.