TRINITY
Chapter 3: From a christocentric to a trinitarian ecclesiology
from
'As the Father has sent me, I am sending you': J.E. Lesslie Newbigin's missionary ecclesiology'
/ Michael W. Goheen (whole thesis in pdf by chapter or in a 4 meg file)
See writings by Moltmann and Newbigin.
For an introductory survey see: Richard Bromley,
The Trinity and Mission