• 
  Koitzsch, A.; Inosov, D.S.; Shiozawa, H.; Zabolotnyy, V.B.; Borisenko, S.V.; Varykhalov, A.; Hess, C.; Knupfer, M.; Ammerahl, U.; Revcolevschi, A.; Büchner, B.: Observation of the Fermi surface, the band structure, and their diffraction replicas of Sr_14-xCa_xCu₂₄O₄₁ by angle-resolved photoemission spectroscopy. Physical Review B 81 (2010), p. 113110/1-4

10.1103/PhysRevB.81.113110