R. Nichols

Firearm and Toolmark Identification Criteria: A Review of the Literature

R. Nichols, Ronald G. Nichols, 1997 .

The Scientific Foundations of Firearms and Tool Mark Identification – A Response to Recent Challenges

Ronald Nichols, R. Nichols, 2005 .

Defending the Scientific Foundations of the Firearms and Tool Mark Identification Discipline: Responding to Recent Challenges

R. Nichols, Ronald G Nichols, 2007, Journal of forensic sciences.

The examination process

R. Nichols, 2018 .