Section 6.4 done! :)
Merge branch 'master' of https://github.com/tonify/Fourthparty-Mobile

Conflicts:
	sigproc-sp.aux
	sigproc-sp.bbl
	sigproc-sp.blg
	sigproc-sp.log
	sigproc-sp.pdf
	sigproc-sp.synctex.gz
	sigproc.bib