Authors: Arentoft, T Sterken, C Knudsen, MR Freyhammer, LM Duerbeck, HW Pompei, E Delahodde, CE Clasen, JW

Citation: T. Arentoft et al., A search for new variable stars in NGC6231, ASTRON ASTR, 380(2), 2001, pp. 599-608

Authors: Burud, I Hjorth, J Jaunsen, AO Andersen, MI Korhonen, H Clasen, JW Pelt, J Pijpers, FP Magain, P Ostensen, R

Citation: I. Burud et al., An optical time delay estimate for the double gravitational lens system B1600+434, ASTROPHYS J, 544(1), 2000, pp. 117-122