Subleading contributions to the chiral three-nucleon force II:   Short-range terms and relativistic corrections
  We derive the short-range contributions and the leading relativistic corrections to the three-nucleon force at next-to-next-to-next-to-leading order in the chiral expansion. 
V. Bernard, E. Epelbaum, H. Krebs, U.-G. Mei{\ss}ner
nucl-th hep-ph