Relevance of the small frequency separation for asteroseismic stellar age, mass, and radius - A statistical investigation for main-sequence low-mass starsG. Valle, M. Dell’Omodarme, P. G. Prada Moroni and S. Degl’InnocentiA&A, 635 (2020) A77DOI: https://doi.org/10.1051/0004-6361/201936353