Authors: Fouque, P Solanes, JM Sanchis, T Balkowski, C

Citation: P. Fouque et al., Structure, mass and distance of the Virgo cluster from a Tolman-Bondi model, ASTRON ASTR, 375(3), 2001, pp. 770-780

Authors: Serra-Ricart, M Oscoz, A Sanchis, T Mediavilla, E Goicoechea, LJ Licandro, J Alcalde, D Gil-Merino, R

Citation: M. Serra-ricart et al., BVRI photometry of QSO 0957+561A, B: Observations, new reduction method, and time delay, ASTROPHYS J, 526(1), 1999, pp. 40-51