1. 2008-02-23 Re: [R-sig-Geo] shape of circles r-sig-geo Agustin Lobo 2. 2008-02-22 Re: [R-sig-Geo] shape of circles r-sig-geo Barry Rowlingson 3. 2008-02-22 [R-sig-Geo] shape of circles r-sig-geo Agustin Lobo