ZDMP Technical Challenge. - Christian Melchiorre; Philip Usher; Tim Dellas; Alessia Focareta; Mircea Vasile (I-ESA Workshops, 2020)

ZDMP Core Services and Middleware. - Artem A. Nazarenko; Carlos Lopes; José Ferreira; Philip Usher; João Sarraipa (I-ESA Workshops, 2020)