The Notary Based PKI - A Lightweight PKI for Long-Term Signatures on Documents. - Martín A. Gagliotti Vigil; Cristian Thiago Moecke; Ricardo Felipe Custódio; Melanie Volkamer (EuroPKI, 2012)

Usable secure email communications: criteria and evaluation of existing approaches. - Cristian Thiago Moecke; Melanie Volkamer (Inf. Manag. Comput. Secur., 2013)