O Yamazaki, N Hanafusa, A Yamada, E Noiri and T. Fujita
NDT Plus 2 ( 6 ): 469 - 472 , 2009
I Mimura, H Kawarazaki, T Momose, Y Shibagaki and T. Fujita
NDT Plus 2 ( 6 ): 479 - 481 , 2009