We thank M.-C. Angonin and C. Vanderriest for providing their CFHT images. We thank J. Bézecourt, S. Charlot, J.-M. Miralles and R. Pelló, for usefull discussions and their help in using and interpreting properly the Bruzual & Charlot' galaxy evolution models. We thank A. Lannes for useful discussion on deconvolution and inversion techniques, and J. Hjorth on multiple quasar lensing and PSF substraction. DA and YM thank Observatoire Midi-Pyrénées for hospitality. We are grateful to CEA, CFHT, IRAM, ST-ECF, CADC and Cambridge (APM) for financial and technical supports.
© European Southern Observatory (ESO) 1998
Online publication: December 16, 1997