RT Article T1 Receptive Ecumenism: Initiative, Method, Identity, Flexibility JF Ecclesia semper reformanda SP 413 OP 438 A1 Hughson, Thomas 1939- LA English PB Peeters YR 2020 UL https://www.ixtheo.de/Record/1760687111 SN 9789042941427 SN 9042941421