RT Review T1 J. E. Goehring, The Letter of Ammon and Packomian Monasticism JF Byzantinische Zeitschrift VO 81 IS 2 SP 311 OP 312 A1 Spidlik, T. LA German YR 1988 UL https://ixtheo.de/Record/178028487X K1 Rezension DO 10.1515/bz-1988-0252