Mixed waters in the water supply system : their aggressivity, distribution, and improvement / transmitted by the Government of German Democratic Republic ; prepared by H. Wingrich.
1982
详细记录
符号[E/ECE/]WATER/SEM.9/R.26
标题Mixed waters in the water supply system : their aggressivity, distribution, and improvement / transmitted by the Government of German Democratic Republic ; prepared by H. Wingrich.
日期Geneva : UN, 10 May 1982.
描述
7 p. : ill., table