Khan S. Collective phenomena in synchrotron radiation sources / S. Khan, 2006 r=on-line. - Текст : электронный.
Advanced materials XII : sel., peer rev. papers from the 12th intern. symp. on advanced materials, 26-30 Sept., 2011, Islamabad, Pakistan / International symposium on advanced materials (12; 2011; Islamabad), 2012 r=on-line. - Текст : электронный.
Soja G. Drought stress as a modifier of ozone response in wheat / G.Soja,S.Khan,H.R.Bolhar-Nordenkampf, 1997. - 308-313 p. p. - Текст : непосредственный.