@article{1979-hehner
,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1979/\allowbreak hehner}}
,author={Eric C. R. Hehner and R. Nigel Horspool}
,ISSN={0097--5397}
,journal={SIAM Journal on Computing}
,MR={80h:68027}
,pages={124--134}
,title={{A new representation of the rational numbers for fast easy arithmetic}}
,volume={8}
,year={1979}
}