
presentation.pdf : presentation.ps
	ps2pdf presentation.ps > /dev/null
presentation.ps : presentation.dvi
	dvips presentation.dvi 2> /dev/null
presentation.dvi : presentation.tex 
	latex presentation 
	bibtex presentation
	latex presentation 
	latex presentation > /dev/null


.PHONY : clean

clean :
	rm -fr presentation.aux  presentation.blg  presentation.log  presentation.pdf presentation.bbl  presentation.dvi  presentation.out  presentation.ps presentation.toc presentation.idx presentation.nav presentation.snm presentation.vrb
