Concentration of biogenic compounds in water of the streams flowing up to the Dobczyce reservoir

Estimation of the quality of chosen low-retention reservoirs of the Podlaskie voivodship

Evaluation of pollution level in low-retention reservoirs in the north-east region of Poland

Preliminary results of investigations on transformation of organic and biogenic compounds in small water reservoir

STATISTICAL PROCESS CONTROL OF REMOVAL OF NITROGEN COMPOUNDS IN THE WASTEWATER TREATMENT PLANT IN KROSNO