TY - CONF A1 - Wittig, Günther A1 - Beller, M. A1 - Leider, A. A1 - Stumm, W. A1 - Weber, H. P. T1 - Application of Reference Standards for Control of Eddy-Current Test Equipment T2 - Eddy-current characterization of materials and structures: a symposium sponsored by ASTM Committee E-7 on Nondestructive Testing T2 - Symposium on Eddy-Current Characterization of Materials and Structures CY - Gaithersburg, MD, USA DA - 1979-09-05 PY - 1981 N1 - Serientitel: ASTM special technical publication – Series title: ASTM special technical publication IS - 722 SP - 79 EP - 85 PB - ASTM CY - Philadelphia, PA, USA AN - OPUS4-33329 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -