Citation:
Pigulski A, Handler G, Michalska G, Kołaczkowski Z, Kopacki G, Narwid A, Vanhollebeke E, Steślicki M, Lefever K, Gazeas K, et al. The ongoing 2005 -- 2006 campaign on β Cephei stars in NGC 6910 and χ Persei (NGC 884). [Internet]. 2007;150:191.
