2504 20160701171706.0 10.1017/S1743921305009841 DOI ASTROimport-661 Lampens, P. 2004 Pulsation of the δ Scuti multiple system DG Leo DG Leo is a spectroscopic triple system showing δ Scuti type photometric and spectroscopic variations. The three components have nearly equal masses but different chemical compositions in the outer layers. All three are potential pulsators. Frequency analyses of the photometric data were carried out using various methods. These global results together with those of the spectroscopic analysis permit us to discuss of the behaviour of each component with respect to pulsation. Frémat, Y. Garrido, R. Peña, J. H. Parrao, L. van Cauteren, P. Cuypers, J. De Cat, P. Hensberge, H. Arentoft, T. Mathias, P. Hobart, M. The A-Star Puzzle 224 2004 835-839 http://esoads.eso.org/abs/2004IAUS..224..835L published in NONREF