		\usepackage{fancyhdr}
		\pagestyle{fancy}
		\fancyhead{}
		\fancyhead[LO]{\bfseries\slshape\nouppercase\rightmark}
		  
		\fancyhead[RE]{\bfseries\slshape\nouppercase\leftmark}
		   
		\fancyfoot{}
		\fancyhead[LE,RO]{\bfseries\thepage}
		\renewcommand{\headrulewidth}{0.4pt}
		\renewcommand{\footrulewidth}{0.0pt}

		\renewcommand{\chaptermark}[1]{\markboth{\thechapter.\ #1}{}}
		\renewcommand{\sectionmark}[1]{\markright{\thesection.\ #1}}
	