set tit "Trip to Open World '97 conference in Vienna 5 - 10 Apr 1997)"
set label "+ ams" at    4.763385 , 52.30907		# Amsterdam, The Netherlands
set label "+ vie" at   16.5607329, 48.1199611		# Vienna, Austria
set key

set xrange [-25:45]
set yrange [35:70]
plot 'europe-cil-10.dat' t "Coastlines" w l ls 2, 'europe-bdy-10-post1989.dat' t "Borders" w l ls 1, \
     '1997-at-02.dat' t "Vienna, Austria" w l ls 4 

set xrange [8:18]
set yrange [45:50]
replot

unset label