TY - CONF AU - Kessler, Ernest AU - , AU - Schweppe, J AU - Deslattes, R C2 - Conference on Precision Electromagnetic Measurements , Braunschweig, GE DA - 1997-01-01 LA - en PB - Conference on Precision Electromagnetic Measurements , Braunschweig, GE PY - 1997 TI - Intercomparison of Silicon Samples from the Avogadro Project ER -