1965 - James Gunn[?] and Bruce Peterson[?] use observations of the relatively low absorption of the blue component of the Lyman-alpha line[?] from 3C9[?] to strongly constrain the density and ionization state of the intergalactic medium
... Reformed Ecumenical Council[?]
World Alliance of Reformed Churches[?] [1] (http://www.warc.ch/who/index.html)
For another list of world Reformed churches, ...