Air
Gun, Wikipedia.org, 2013.
ANSCHUTZ
Air Rifles, J.G. Anschutz GimbH & Co. KG, 2010.
Building the Positions -
Standing, Civillian Marksmanship Program, 2011.
Teaching
the Standing Position, Anderson, Gary. On the Mark, May
2008.
USA
Shooting Rules and Regulations, USA Shooting, 2013.
Air Rifle Shooting. Reinkemeier, Heinz. MEC, 2006
Rifle: Steps to Success. Meili, Launi. Human
Kinetics,USA, 2009.
Ways of the Rifle 2009. Buhlmann, Gaby. MEC, 2009.