BS EN 60444-5:1997 Measurement of quartz crystal unit parameters. Methods for the determination of equivalent electrical parameters using automatic network analyzer techniques and error correction
1995BS EN 60444-5:1997 Measurement of quartz crystal unit parameters. Methods for the determination of equivalent electrical parameters using automatic network analyzer techniques and error correction
1995BS EN 60444-5:1995 Measurement of quartz crystal unit parameters - Methods for the determination of equivalent electrical parameters using automatic network analyzer techniques and error correction