[1]http://sourceforge.net/projects/goldbug/files/goldbug-im_0.7._RELEAS
   E/GoldBug_%20Secure_Instant_Messenger_Manual_07.pdf/download


References

   1. http://sourceforge.net/projects/goldbug/files/goldbug-im_0.7._RELEASE/GoldBug_ Secure_Instant_Messenger_Manual_07.pdf/download