New proper motion determination of Luyten catalogue stars (LTT) with declination between 
and 
and right ascension between 0h and 13h 30m
and
Astron. Astrophys. Suppl. Ser., 128 3 (1998) 457-458
Published online: 15 March 1998
DOI: 10.1051/aas:1998157