1. On the Constructibility of Real 5th Roots of Rational Numbers with Marked Ruler and Compass. (5th June 2012) Authors: Benjamin, Elliot Other Names: de Graaf W. Academic Editor.; Raianu S. Academic Editor. Journal: ISRN algebra Issue: Volume 2012(2012) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗