When your manuscript is ready please ftp it to our anonymous ftp site,
using the following guidelines: (please find a name to your manuscript,
which is easy to identify and unique. e.g. mchavez.tex). 

ftp 192.100.172.77
login: anonymous
cd pub/costa01
put initial_last_name.tex
put initial_last_name_fig1.eps
put initial_last_name.ps
bye

Please note that once you "put" a file you won't be able to delete it!

When you complete the ftp please send a mail to costa01@inaoep.mx