Measuring mean densities of Scuti stars with asteroseismology - Theoretical properties of large separations using TOUCANJ. C. Suárez, A. García Hernández, A. Moya, C. Rodrigo, E. Solano, R. Garrido and J. R. RodónA&A, 563 (2014) A7DOI: https://doi.org/10.1051/0004-6361/201322270