Small waste-water treatment plants : suitability of different biological systems / transmitted by the Government of the Federal Republic of Germany ; prepared by K. Bucksteeg.
1989
Полное описание
Условное обозначение[E/ECE/]ENVWA/SEM.4/R.24
ЗаглавиеSmall waste-water treatment plants : suitability of different biological systems / transmitted by the Government of the Federal Republic of Germany ; prepared by K. Bucksteeg.
ДатаGeneva : UN, 20 Nov. 1989.
Описание
16 p. : graphs