door_close.ogg  
door_open.ogg  
   Author: FreqMan
   License: CC-BY 3.0
   Source: http://www.freesound.org/people/FreqMan/sounds/23168/
   Note: Edited by DNTeam.

drop_item.ogg  
et.ogg  
take_item.ogg
   Author: DNTeam
   License: GPLv3 or later

door_break.ogg
   Author: qubodup (Iwan Gabovitch) <qubodup@gmail.com>
   License: GPLv3+, CC-BY-SAv3+
   Source: http://www.freesound.org/people/qubodup/sounds/160213/

door_unlock.ogg
   Author: qubodup (Iwan Gabovitch) <qubodup@gmail.com>
   License: GPLv3+, CC-BY-SAv3+
   Source: http://www.freesound.org/people/qubodup/sounds/160215/

door_pick_lock.ogg
   author: dobroide
   license: CC-BY 3.0
   source: http://www.freesound.org/people/dobroide/sounds/93664/

refmachine/*
   author: cmusounddesign
   license: CC-BY 3.0
   source: http://www.freesound.org/people/cmusounddesign/sounds/84710/


