Australia's professional organization for engineers interviewed Hammer in 2009 regarding the keys to her success:<ref>[https://www.youtube.com/watch?v=AEMtrbDDMhY YouTube]</ref> | Australia's professional organization for engineers interviewed Hammer in 2009 regarding the keys to her success:<ref>[https://www.youtube.com/watch?v=AEMtrbDDMhY YouTube]</ref> |