Buonasera, ho seguito il consiglio di Claudio e posto di seguito il codice da elaborare.
`
\begin{filecontents*}{biblio.bib}
@techreport{bogetti1989process,
Author = {Bogetti, Travis A},
Date-Added = {2016-10-04 17:24:55 +0000},
Date-Modified = {2016-10-04 17:24:55 +0000},
Institution = {Delaware Univ., Newark, DE (USA)},
Title = {Process-induced stress and deformation in thick-section thermosetting composites},
Year = {1989}}
@article{hubert1999two,
Author = {Hubert, Pascal and Vaziri, Reza and Poursartip, Anoush},
Date-Added = {2016-10-02 20:13:27 +0000},
Date-Modified = {2016-10-02 20:13:27 +0000},
Journal = {International Journal for Numerical Methods in Engineering},
Number = {1},
Pages = {1–26},
Title = {A two-dimensional flow model for the process simulation of complex shape composite laminates},
Volume = {44},
Year = {1999}}
@book{gutowski1997advanced,
Author = {Gutowski, Timothy George Peter},
Date-Added = {2016-10-02 18:06:33 +0000},
Date-Modified = {2016-10-02 18:06:33 +0000},
Publisher = {John Wiley \& Sons},
Title = {Advanced composites manufacturing},
Year = {1997}}
\end{filecontents*}
\documentclass[a4paper,12pt]{book}
\usepackage{cmap}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[italian]{babel}
\usepackage{color}
\usepackage[sectionbib]{chapterbib}
\begin{document}
\chapter{uno}
\cite{bogetti1989process}
\bibliographystyle{unsrt}
\bibliography{biblio}
\chapter{due}
\cite{gutowski1997advanced}
\cite{hubert1999two}
\bibliographystyle{unsrt}
\bibliography{biblio}
\end{document}
`
Non compare una bibliografia unica per entrambi i capitoli e non viene smistata. Ho anche provato la versione con i il comando \input per i due capitoli, ma il risultato è analogo.
`
\begin{filecontents*}{biblio.bib}
@techreport{bogetti1989process,
Author = {Bogetti, Travis A},
Date-Added = {2016-10-04 17:24:55 +0000},
Date-Modified = {2016-10-04 17:24:55 +0000},
Institution = {Delaware Univ., Newark, DE (USA)},
Title = {Process-induced stress and deformation in thick-section thermosetting composites},
Year = {1989}}
@article{hubert1999two,
Author = {Hubert, Pascal and Vaziri, Reza and Poursartip, Anoush},
Date-Added = {2016-10-02 20:13:27 +0000},
Date-Modified = {2016-10-02 20:13:27 +0000},
Journal = {International Journal for Numerical Methods in Engineering},
Number = {1},
Pages = {1–26},
Title = {A two-dimensional flow model for the process simulation of complex shape composite laminates},
Volume = {44},
Year = {1999}}
@book{gutowski1997advanced,
Author = {Gutowski, Timothy George Peter},
Date-Added = {2016-10-02 18:06:33 +0000},
Date-Modified = {2016-10-02 18:06:33 +0000},
Publisher = {John Wiley \& Sons},
Title = {Advanced composites manufacturing},
Year = {1997}}
\end{filecontents*}
\documentclass[a4paper,12pt]{book}
\usepackage{cmap}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[italian]{babel}
\usepackage{color}
\usepackage[sectionbib]{chapterbib}
\begin{document}
\input{capitolo/uno}
\bibliographystyle{unsrt}
\bibliography{biblio}
\input{capitolo/due}
\bibliographystyle{unsrt}
\bibliography{biblio}
\end{document}
`
Come consigliato sto anche lavorando sul preambolo del file principale del mio documento, ma fondamentalmente vorrei risolvere il problema bibliografia. Spero possiate aiutarmi.