[1]
Poerbandono, R. and Suprijo, T. 2013. Modification of Attenuation Rate in Range Normalization of Echo Levels for Obtaining Frequency-dependent Intensity Data from 0.6MHz and 1.0MHz Devices. Journal of Engineering and Technological Sciences. 45, 2 (Jul. 2013), 140-152. DOI:https://doi.org/10.5614/j.eng.technol.sci.2013.45.2.3.