//-->
Gold medal winning paper : an examination of the relationship between readership estimates and circulation
Bermingham, J., (1971)
A disproportional sampling frame for readership surveys concerning publications with widely different circulation
Andersen, Ole Ejnar, (1978)
Über generelle Beziehungen zwischen dem redaktionellen Themenangebot von Zeitschriften und den Sozialmerkmalen der Leserschaft
Müller-Veeh, Dieter, (1973)