1
Published: 1971
Superior document: Royal Observatory bulletins 163
2
3
Published: 1983
Superior document: Narrow-band photometry of faint red stars 2
4
Superior document: Royal Greenwich Observatory bulletins ...
5
Published: 1982
Superior document: Fundamental data for southern stars 7th list
6
Published: 1961-1966;, 1982-
Superior document: Royal Observatory bulletins number 36, 48, 85, 110