Reference Library - Perforations

The links below to references in the literature which include analytical aspects of philately. These may be very important because the name of books and papers are often not indicative of details of their contents.
Absorption/ReflectionColorimetryColorimetry of Overprints
CompositionComputer GraphicsElectron Microscopy
Environmental Effects on Philatelic MaterialsFormulationGum Analysis
Infrared and FTIRInkOverprints, Movable Type
Paper SciencePIXEPhotomicrography/Microsocpy
XRDXRFWet Chemical Analysis
ChromatograhyGas Chromatography-Mass SpecMass Spec
Post MarksVSC 6000/8000Luminescence
Floatation DensityPerforations 

Mustacich, RobertFake Perforations on 19th Century U.S. Revenue Stamps: A Stroke of LuckThe American Revenuer, 2015 68(4). pp. 90-96
Mustacich, RobertFreak or Fake? A New Fingerprinting Method for Distinguishing between Original and Fraudulent Extra Perforation of 19th Century Revenue StampsThe American Revenuer, 2014 67(1). pp. 2-19
Mustacich, RobertMeasurements of Stamp Separation Features by Digital Image AnalysisIAP II pp 73-85
Nixon, J. Edward (Ted) and Garfield PortchImpact of Technical Analyses on Greene Foundation ExpertizingIAP III