2007, Phillip F. Schewe, The GridMoses was practically unfirable; he was to government construction what J. Edgar Hoover had been to crime enforcement.
2010, Richard Rouse III, Game Design: Theory and Practice, Second EditionOnce the ammunition is out for a mounted weapon, the weapon will be unfirable though the player may still “Use†the weapon.
2013, Paolo Spagnoletti, Organizational Change and Information SystemsThere is a combination of the condition values that is inconsistent and therefore the rule is unfirable.