A R Ketring
发表
G. J. Ehrhardt,
A. Ketring,
G J Ehrhardt,
1998,
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine.
W A Volkert,
G. J. Ehrhardt,
W. Volkert,
1991,
Journal of nuclear medicine : official publication, Society of Nuclear Medicine.