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Are you Francesco Grassi, author of the books below?
CROP CIRCLES Signs of Intelligence by Francesco Grassi Cerchi nel grano. Tracce d'intelligenza. UFO, alieni e incont... by Francesco Grassi MATEMATICA PER STUDENTI IN CRISI ESERCIZI SVOLTI VOL.1 (La ma... by Francesco Grassi Magnetismo E Elettricita by Francesco Grassi Il silenzio degli innocenti by Francesco Grassi La Ripette. Danse des Ostreghettas,etc.[P. F.] by Francesco Grassi CERCHI NEL GRANO Tracce d'intelligenza by Francesco Grassi Risposta ai sette quesiti concernenti la peste bubonica orien... by Francesco Grassi Propositiones teologicocritico dogmaticæ quas elucubravit d. ... by Francesco Grassi Federico II di Sveria imperatore by Francesco Grassi


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