The Representation of Virtual Reality in Education. - Alessandro Antonietti; Chiara Rasi; Ernesto Imperio; Marco Sacco (Educ. Inf. Technol., 2000)

Virtual reality and hypermedia in learning to use a turning lathe. - Alessandro Antonietti; Ernesto Imperio; Chiara Rasi; Marco Sacco (J. Comput. Assist. Learn., 2001)