@inproceedings{CTT100598722,
  author = {Oscar V. Antonio and Sohichi Hirose},
  title = {Ultrasonic imaging of concrete by SAFT based on Hilbert-Huang transform of time domain data},
  booktitle = {Conference Handbook of 13th Asia-Pacific Conf. Non-destruct. Testing},
  year = 2009,
}

@inproceedings{CTT100598596,
  author = {O.V.M. Antonio and S. Hirose},
  title = {Cepstrum-Based Deconvolution of Pulse-Echo Signals From a Concrete Block},
  booktitle = {Proc. the 6th Regional Symp. on Infrastructure Development(RSID-6)},
  year = 2009,
}

@inproceedings{CTT100598630,
  author = {Oscar V. Antonio Jr. and Sohichi Hirose},
  title = {Cepstrum analysis applied to pulse-echo signals for concrete},
  booktitle = {第16回超音波による非破壊評価シンポジウム講演論文集},
  year = 2009,
}