@inbook {Regnault1991, title = {Apophthegmata Patrum}, booktitle = {The Coptic Encyclopedia}, volume = {1}, year = {1991}, note = {

Digital Publisher: Claremont Graduate University. School of Religion, 2009

}, pages = {177a- 178a}, publisher = {Macmillan}, organization = {Macmillan}, address = {New York}, url = {http://ccdl.libraries.claremont.edu/cdm/singleitem/collection/cce/id/174/rec/1}, author = {Regnault, Lucien}, editor = {Atiya, Aziz S.} }