1. http://framer99.blogspot.com/2012/11/diy-reverse-drawbar.html

2. https://www.scribd.com/doc/269706198/How-to-Mill-on-a-Drill-Press

3. http://www.homemadetools.net/forum/converting-drill-press-mill-drill-7870

and the best solution:

4. "it seem wise not to mill with it(...)I'm not going to waste more time for this"