Neutron Activation Analysis, Vincent P. Guinn, _International Science
and Technology, Prototype Issue,_ 74 (1961).
Distribution of Arsenic in Napoleon’s Hair, Hamilton Smith, Sten
Forshufvud, and Anders Wassen, _Nature_, 194: 725 (May 26, 1962).
Nuclear Activation Analysis, Richard E. Wainerdi and Norman P. DuBeau,
_Science_, 139: 1027 (March 15, 1963).
Neutron Activation Analysis, W. H. Wahl and H. H. Kramer, _Scientific
American_, 68: 210 (April 1967).