1. XCOM: photon cross-sections on a personal computer;Berger;NBSIR,1987
2. Photon absorptiometry of bone and bone standards;Bradley;Appl. Radiat. Isot.,1985
3. Photon absorptiometry of hydrocarbons;Bradley;Appl. Radiat. Isot.,1986
4. Gamma ray attenuation measurements;Conner;Phys. Rev.,1987
5. Measurements of gamma ray absorption coefficients;Davisson;Phys. Rev.,1951