TY  - BOOK
AU  - Becvar, Antonin
TI  - Atlas borealis 1950.0
PY  - 1962///
CY  - Praha
PB  - Ceskoslovenske Akademie Ved
KW  - Astronomy and Astrophysics Thesaurus
KW  - Atlas-Borealis
KW  - Atlas-Variable stars
KW  - Variable stars atlas
N1  - Includes 34 charts
ER  -