Conference ProceedingsDifferentiation of Gel Pen Inks by Thin Layer Chromatography, Fourier Transform Infrared Spectroscopy, and Energy Dispersive X-Ray SpectrometryPresenting section:Criminalistics2003Lyter, Albert H., Raleigh NC; Jasuja, O.P., Patiala INDIA; Singla, Atul K., Toronto ON CANADA; Mand, M.K., Patiala INDIAView the paperCriminalistics