Jörgen Städje (8 January 2013). "Reaktionsmotor 12 - både vacker och stark" [Reaction Engine 12 – both beautiful and strong]. Tech World (in Swedish). SE: IDG. Archived from the original on 7 January 2014. Retrieved 10 January 2014.
Jörgen Städje (8 January 2013). "Reaktionsmotor 12 - både vacker och stark" [Reaction Engine 12 – both beautiful and strong]. Tech World (in Swedish). SE: IDG. Archived from the original on 7 January 2014. Retrieved 10 January 2014.