Automating Logical Preservation for Small Institutions with Hoppla. - Stephan Strodl; Petar Petrov; Michael Greifeneder; Andreas Rauber (ECDL, 2010)

HOPPLA - Archiving System for Small Institutions. - Michael Greifeneder; Stephan Strodl; Petar Petrov; Andreas Rauber (ERCIM News, 2010)