1.www.oracul.org/publications/technology/c02_01_03.htm - modern problems of electrometallurgy of steel: materials of the XI  international conference. Chelyabinsk: publishing house ЮУрГУ, 2001. The publication: "Technology of melt of steel with the low contents of nitrogen in super-power EAF".

2.www.belsteel.com - official web site RUP "Byelorussian Metallurgical Plant".

3.www.aommz.com/pls/web/web.main.show - official web site SZAO "Moldavian Metallurgical Plant".

4.www.eapo.org/rus/reestr/patent.php3?id=3345 - site of the Euroasian patent organization. The name of the invention: " a Way of decrease of the contents of nitrogen in steel during melt ".

5.http://www.misis.ru/ - site of the Moscow Institute of Steel and Alloys.