1982 – "Analysis of the spacial organization of painted signs in a Neolithic cave"
Porto Badisco Cave - Otranto, Italy
Published in 2007 in "Rock art in the frame of the Cultural Heritage of Humankind " Camuno center for prehistoric studies, sponsored by UNESCO
Published in 2009 in L’Esprit d’Avant magazine
1983 – "Notes on shades" in the paintings of De Chirico
Cahiers du Musée National d’Art Moderne, Centre Pompidou
Cinéma du Musée National d’Art Moderne, Centre Pompidou
1985 - "The Cubism" in Petit journal du Musée National d’Art Moderne, Centre Pompidou
2nd edition in 1987
2001 - "Notes on Diego Velasquez's Las Meninas"
Œdipe le Salon in Œdipeà Alcala in 2012, Crépuscule editions
2001 - "Picasso's Blue". Hypothesis on the monochromatic direction. Non published
2014 - "Giotto's frescoes" in Santa Croce church, Florence
Published by Œdipe le Salon in Œdipe à Florence in 2014, Crépuscule editions
