TY  - JOUR
AU  - Aleksandar Tomić
TI  - Photographic Determination of Heliographic Coordinates of Sunspots Without  Taking Double Photos
JO  - Publications of the Department of Astronomy
PY  - 1976
SP  - 65 
VL  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PDA_1976_6_a11/
LA  - en
ID  - PDA_1976_6_a11
ER  -