Unless specified on the specific pages, all the materials included in this web site are copyrighted by Marco Di Fresco and cannot be used without my written consent. If you want to use any of such material, please write a request specifying exactly what material you intend to use and for what purpose.
I am doing my best to specify when I am using some material that is copyrighted by a third party, but occasionally I could miss or forget to indicate some citation. If in this web site I used something that belong to you and I forgot to mention it, please accept my apologies and let me know by clicking here.