<http://www.unitedspinal.org/publications/action/2008/04/04/%e2%80%9cdo-you- want-to-fly%e2%80%9d/> http://www.unitedspinal.org/publications/action/2008/04/04/%e2%80%9cdo-you-w ant-to-fly%e2%80%9d/
- [QUAD-L] Planes Greg
- RE: [QUAD-L] Planes Joan Anglin
- [QUAD-L] planes Elizabeth Treston