@book{ig00245250, author = {Gerson, Johannes}, title = {Opus tripartitum [French] Un livre des trois parties}, year = {about 1481-82]}, note = {}, publisher = {Louis Cruse}, address = {[Geneva}, annote = { This record was exported from the Incunabula Short Title Catalogue (ISTC): http://data.cerl.org/istc/ig00245250} }