1. 2008-06-25 Re: [R-sig-Geo] SGDF loop processing time r-sig-geo Roger Bivand 2. 2008-06-25 Re: [R-sig-Geo] SGDF loop processing time r-sig-geo Ilona Naujokaitis- 3. 2008-06-25 Re: [R-sig-Geo] SGDF loop processing time r-sig-geo Roger Bivand 4. 2008-06-25 [R-sig-Geo] SGDF loop processing time r-sig-geo Ilona Naujokaitis-