About LYAMSHEV L M
About N.N. Andreev Acoustics Inst. Academy of Sciences of the USSR
About CHELNOKOV B I
About N.N. Andreev Acoustics Inst. Academy of Sciences of the USSR
About Soviet Physics-Acoustics
About ultrasonic image
About Acoustic signal processing
About 凝縮
About 媒質
About 放射
About 音波
About 顕微鏡法