Key points are not available for this paper at this time.
Meadows analysed the citations appearing in the 1963–5 volumes of the Monthly Notices of the Royal Astronomical Society , eliminating duplicate citations from consideration. He concluded, with certain assumptions, that a library of the twelve top‐ranking journals (which I assume to be ranked by number of citations per title), each held in a fifteen‐year back‐run, would meet approximately two‐thirds of the British demand for astronomical articles.
GROOS et al. (1969) studied this question.