I used to host this article. Somebody in Italy claimed to own the copyright ("literary heirs" of Carlos), and demanded I take it down, despite that Carlos clearly wanted it distributed far and wide. He's dead now, so he gets no say anymore.
> STATED by the Author in its 1986 version as intended for the public domain (and yes, stated again in 1992, despite having re-published this text in 1988, slightly modified, in his "Allegro ma non troppo" copyrighted collection).