Citation: C. Porcel et al., GEOMETRIC DIFFERENCES BETWEEN THE GASEOUS AND STELLAR WARPS IN THE MILKY-WAY, Astronomy and astrophysics, 322(1), 1997, pp. 103-108
Citation: C. Porcel et E. Battaner, THE WARPED DISTRIBUTION OF YOUNG STARS IN THE SOUTHERN MILKY-WAY, Monthly Notices of the Royal Astronomical Society, 274(4), 1995, pp. 1153-1156