Advances in environmental science and engineering : sel., peer rev. papers from the 2012 Intern. conf. on energy and environmental protection (ICEEP 2012), Jun. 23-24, 2012, Hohhot, China: in 6 pt. set: pt. 1 / Intern. conf. on energy and environmental protection (2012; Hohhot), 2012 r=on-line. - Текст : электронный.