Citation: Av. Loktin et Gv. Beshenov, Hipparcos trigonometric parallaxes and the distance scale for open star clusters, ASTRON LETT, 27(6), 2001, pp. 386-390
Citation: Av. Loktin et Gv. Beshenov, Luminosity calibration for OB stars from Hipparcos trigonometric parallaxes, ASTRON REP, 45(9), 2001, pp. 711-717