共 50 条
- [12] A RECORDING METER FOR AURORAL RADIATIONS CANADIAN JOURNAL OF RESEARCH SECTION A-PHYSICAL SCIENCES, 1949, 27 (03): : 45 - 52
- [15] A CURVATURE METER FOR USE IN DISK RECORDING JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1947, 19 (01): : 161 - 164
- [17] A CURVATURE METER FOR USE IN DISK RECORDING JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1946, 18 (01): : 255 - 255