TY - JOUR AU - Calhoun, J AU - Cessna, Jeffrey AU - Coursey, Bert C2 - Nuclear Instruments & Methods DA - 1992-01-01 00:01:00 LA - en M1 - A312 PB - Nuclear Instruments & Methods PY - 1992 TI - A System for Intercomparing Standard Solutions of Beta-Particle-Emitting Radionuclides ER -