共 50 条
[36]
AUTOMATED DENSITOMETER SYSTEM FOR MEASUREMENT OF SPECTRAL SENSITIVITY
[J].
JOURNAL OF APPLIED PHOTOGRAPHIC ENGINEERING,
1977, 3 (04)
:194-198
[37]
Ultrasound imaging of the calcaneus: Precision and relation with bone mineral density
[J].
EUROPEAN JOURNAL OF NUCLEAR MEDICINE,
1999, 26 (09)
:1169-1169
[40]
A NEW DEFLECTION TYPE DENSITOMETER
[J].
REVIEW OF SCIENTIFIC INSTRUMENTS,
1951, 22 (05)
:289-292