[PDF링크] The Evolution of Artillery for Increased Effectiveness
http://www.dtic.mil/ndia/2008psa_peo/Demella.pdf
The Evolution of Artillery for Increased Effectiveness
2008년 6월에 발표
http://www.dtic.mil/ndia/2008psa_peo/Demella.pdf
The Evolution of Artillery for Increased Effectiveness
2008년 6월에 발표