References and Resources

Radiography in Modern Industry, Fourth Edition, Eastman Kodak Company,
Rochester, New York, 1980

Nondestructive Testing : Radiography, Ultrasonics, Liquid Penetrant, Magnetic Particle, Eddy Current by Louis Cartz, ASM Intl; ISBN: 0871705176

Introduction to Radiation, the Health Physics Society, The University of Michigan, http://www.umich.edu/~radinfo/introduction/

Tables of X-Ray Mass Attenuation Coefficients and Mass Energy-Absorption Coefficients, NIST Physics Laboratory, http://www.nist.gov/physlab/data/xraycoef/index.cfm