Brogan AJ, Stidham S. Non-separation in the mean-lower-partial-moment portfolio optimization problem. Eur J Oper Res. 2008 Jan;184(2):701-10.
Küçükdeveci AA, McKenna SP, Kutlay S, Gürsel Y, Whalley D, Arasýl T. The development and psychometric assessment of the Turkish version of the Nottingham Health Profile. Int J Rehabil Res. 2000 Mar 1;23(1):31-8.