Energy saving:
1.Puclication Lenta.ru. Progress, tecnologies http://www.lenta.ru/articles/2008/02/18/challenges/
2.Library of scientific articles http://www.abok.ru/for_spec/bibl.php
Ecology, fuel economy:
Article "Ecology aspects of fuel burning"
http://www.energy-saving-technology.com/page-ru/statij/stat-vmem05-ru.html
Transfer boiler into boiler for burning of gas fuel:
Energy efficiency department of Republic Belarus
http://energoeffekt.gov.by/doc/metodika_2_5.asp
Gas fuel burning:
"Energetic and industry of Russia"
http://subscribe.ru/archive/media.news.press.epr/200608/07060829.html
Modern burners:
1.Perspective tecnologies and new elaboretions
http://www.sibpatent.ru/default.asp?khid=57330&all=1&sort=1
2.Agency of industry news
http://www.ukrfood.com.ua/industry/index.php?bid=47816
Magazine "Industrial heating engineering"
Magazine "Industrial power engineering"
Magazine "Energy saving and water conditioning"