References

1. Sherman Stein. Archimedes: What Did He Do Besides Cry Eureka. pp 7-25. Mathematical Association of America, 1999.
2. T.L. Heath, The Works of Archimedes .Dover Pubilications,Inc. Reissue of the 1897 edition with the 1912 Supplement on The Method.
3. E. J. Dijksterhuis, Archimedes. Princeton University Press, 1987.
4. Problem Solutions. pp 112-115 Nov-Dec 1952 Mathematics Magazine, Mathematical Association of America.
5. Brother L. Raphael,F.S.C. The Shoemaker's Knife, Mathematics Teacher, April 1973.
6. Ogilvy, C. S. Excursions in Geometry Oxford University Press, 1969
7. Harold Jacobs. Geometry. First Edition page 534. W.H.Freeman and Company, 1974.
8. Leon Bankoff. Are the Twin Circles of Archimedes really Twins?. pp 214-218 Vol 47 (1974) Mathematics Magazine, Mathematical Association of America.
9. Charles W. Trigg. How Do I Love Thee? Let Me Count the Ways. Eureka now Crux Mathematicorum, pp 217-224 Vol. 3 No. 8 October 1977.
10. Leon Bankoff. The Marvelous Arbelos. pp 247-253 The Lighter Side of Mathematics, Mathematical Association of America, 1994.
11. Clayton W. Dodge, Thomas Shoch, Peter Y. Woo, Paul Yiu Those Ubiquitous Archimedean Circles. pp 202-213 Vol 72 No 3 June 1999 Mathematics Magazine, Mathematical Association of America.