TY  - BOOK
AU  - Wielen, R.
TI  - Sixth catalogue of fundamental stars: no 37, pt. III, additional fundamental stars with direct solutions
SN  - 3-7650-0536-3
PY  - 2000///
CY  - Heidelberg
PB  - Astronomisches Rechen-Institut
KW  - Astronomy
KW  - Catalogue-Stars
ER  -