![[*]](/icons/foot_motif.gif)
Based on material collected with the UK Schmidt Telescope, with the
ESO-La Silla Telescopes and on COSMOS scans.
Table 3 is only available at the CDS via anonymous ftp to cdsarc.u-strasbg.fr
(130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abstract.html and Fig. 1
is only available in the online version of the journal at
http://www.edpsciences.org
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.