1. HD 304373, the second case of 1O/2O double–mode Cepheid in
the Galaxy
2. Bernhard, K., & Wils, P. 2006, IBVS, 5698
3. Daszynska-Daszkiewicz, J. 2007, Comm. Asteroseismol., in press, [arXiv:0709.3405v1]
4. ESA 1997, The Hipparcos and Tycho Catalogues, ESA SP-1200