TY  - BOOK
AU  - Johansson, Erik.
ED  - Uppsala. Universitet. Astronomiska observatoriet.
TI  - ... Determinations of stellar parallax from photographs taken at the Astronomical observatory: Upsala, in the years 1924-1935 
U1  - P 523.81 J 64 
PY  - 1935///
CY  - Uppsala
PB  - Almquist & Wiksells boktryckeri-a.-b.
KW  - Parallax
KW  - Stars
N1  - Series title also in French
ER  -