identifier: sim_state-magazine_2007-10_516 https://archive.org/download/sim_state-magazine_2007-10_516/sim_state-magazine_2007-10_516.pdf IA contributor:...
identifier: sim_state-magazine_2007-11_517 https://archive.org/download/sim_state-magazine_2007-11_517/sim_state-magazine_2007-11_517.pdf IA contributor:...
identifier: sim_state-magazine_2007-09_515 https://archive.org/download/sim_state-magazine_2007-09_515/sim_state-magazine_2007-09_515.pdf IA contributor:...