A number of articles have been written regarding the false alert, or better described, the non-productive alert (NPA), as this relates to detection canines, with special emphasis connected to explosive detection canines..
IABTI; Working Canines
Summer 2007
The Herstik Wall, by Mike Herstik
Police K9 Magazine
May 2009
Post-Blast Secondary and Third Device Training by Mike Herstik
Police K9 Magazine
Structured Generalization in Scent Training of Explosive Detection Canines by Mike Herstik and James C. Smith Ph.D, (FBI)
The Detonator - Volume 33, Number 1 and Police K9 Magazine
The Bio-Tech Canine by Mike HerstikM. Herstik, Region I, J.C. Smith, E.M. Eisenstein & F.C. Martin
