1. Some forensic aspects of spherical projectiles;Haag;AFTE J.,1998
2. Physical forms of contemporary small-arms propellants and their forensic value;Haag;Am. J. Forensic Med. Pathol.,2005
3. The reconstructive aspects of bullet jacket and core weights;Haag;AFTE J.,2002
4. Shotgun evidence;Watkins;AFTE J.,1978