https://books.google.fr/books?id=a3UcWq4Vor4C&printsec=frontcover&dq=Bernard+Quilliet&hl=fr&sa=X&ei=tHKsVPSeBobraMj-geAD&ved=0CD0Q6AEwAw#v=onepage&q=Bernard%20Quilliet&f=false
https://books.google.fr/books?id=BOO5M_cD3YgC&printsec=frontcover&dq=Bernard+Quilliet&hl=fr&sa=X&ei=tHKsVPSeBobraMj-geAD&ved=0CDcQ6AEwAg#v=onepage&q=Bernard%20Quilliet&f=false
https://books.google.fr/books?id=qTF8Kd6MS2MC&printsec=frontcover&dq=Bernard+Quilliet&hl=fr&sa=X&ei=tHKsVPSeBobraMj-geAD&ved=0CCsQ6AEwAA#v=onepage&q=Bernard%20Quilliet&f=false
https://books.google.fr/books?id=BOO5M_cD3YgC&printsec=frontcover&dq=Bernard+Quilliet&hl=fr&sa=X&ei=tHKsVPSeBobraMj-geAD&ved=0CDcQ6AEwAg#v=onepage&q=Bernard%20Quilliet&f=false
https://books.google.fr/books?id=qTF8Kd6MS2MC&printsec=frontcover&dq=Bernard+Quilliet&hl=fr&sa=X&ei=tHKsVPSeBobraMj-geAD&ved=0CCsQ6AEwAA#v=onepage&q=Bernard%20Quilliet&f=false