Hi cosmo
I just came by this paper
http://arxiv.org/abs/astro-ph/9810334
It's funny and yet only 9 reads in the ads reads history :)
cheers, Bart
********************************************************************************** Bartosz Lew e-mail: blew@astri.uni.torun.pl blew@astro.uni.torun.pl Torun Centre for Astronomy Nicolaus Copernicus University Ul. Gagarina 11 tel: +48 (56) 611 3042 87-100 TORUN, POLAND www: http://adjani.astro.uni.torun.pl/~blew/praca/ **********************************************************************************