
TY  - JOUR
A1  - Wills, D 
A1  - Bolton, JG 
T1  - Improved Positions and Some Optical Identifications for 451 4C Radio Sources Between Declinations 4° and 20°
JF  - Australian Journal of Physics
JO  - Aust. J.  Phys.
Y1  - 1969
VL  - 22
IS  - 6
SP  - 775
EP  - 812
KW  - 
UR  - https://doi.org/10.1071/PH690775 
N2  - Accurate positions have been measured at Parkes for 451 40 radio sources between declinations 4° and 20°. For most of the sources the r.m.s. uncertainty is ± ION arc in each coordinate. Optical identifications are suggested for 94 sources, of which 22 are galaxies and 72 are possible quasi.stellar objects. 
ER  -

