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 
EP  -  67
VL  - 6
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PDA_1976_6_1_a11/
ID  - PDA_1976_6_1_a11
ER  -