Winkler J. Festkorperbeanspruchung / J.Winkler, 1991. - 376 S. - Текст : непосредственный.
Deterministic and statistical methods in machine learning : first international workshop, Sheffield, UK, September 7-10, 2004: revised lectures / SpringerLink (Online service), 2005 r=on-line. - Текст : электронный.