I think I have found it. http://www.cs.princeton.edu/courses/archive/spring04/cos598B/bib/CharikarEstim.pdf http://www.cs.princeton.edu/courses/archive/spring04

I think I have found it. http://www.cs.princeton.edu/courses/archive/spring04/cos598B/bib/CharikarEstim.pdf http://www.cs.princeton.edu/courses/archive/spring04/cos598B...