2505 20160701171706.0 10.1017/S1743921305009609 DOI ASTROimport-662 Frémat, Y. 2004 Chemical analysis of a triple system of A-type stars Components of multiple systems generally originate from the same protostellar environment. Their similarities or differences in surface chemical composition therefore relates to their individual evolutionary paths (stellar evolution, rotation) and the possible influence of a close companion. Lampens, P. Hensberge, H. The A-Star Puzzle 224 2004 701-705 http://esoads.eso.org/abs/2004IAUS..224..701F published in NONREF