Scientific papers (reverse chronological order):

• V. Bonifaci, C. Demetrescu, I. Finocchi, G. F. Italiano, and L. Laura.
  Portraying algorithms with Leonardo Web.
  In Proceedings of the WISE’05 International Workshop on Web-based Learning, New York City, USA, 2005.
• V. Bonifaci, C. Demetrescu, I. Finocchi and L. Laura.
  A Java-based System for Building Animated Presentations over the Web
  Science of Computer Programming, 2003 , 53 , 37-49.
• B.A. Colombo, C. Demetrescu, I. Finocchi and L. Laura.
  A java-based system for building animated presentations over the web.
  In Proceedings of the AICCSA’03 Workshop on Practice and Experience with Java Programming in Education, 2003.
  

Other material:

• Here it started everything: B.A.Colombo Master Thesis in Computer Science Engineering [PDF, in italian (sorry!)]
• The JavaDoc of LeonardoWeb's classes (version 1.0.0 - not up to date!)