07.12.2006  
Gazeta Wyborcza - "Nie ma chętnych na oczyszczalnię"

01.07.2006  
Ekopartner 6 (176)/2006 - "A partner in environment-friendly development"
A conversation with Grzegorz Maj, Director of the Environmental Construction Department at WARBUD SA.


20.06.2006  
Wiadomosci Zaglebia - "The Bobrek Interceptor – building underway"
The need to build the Bobrek sewage interceptor at Sosnowiec, serving the south-eastern part of the city, and to modernize the Radocha II waste water treatment plant.