1.

Conference Proceedings

Conference Proceedings
Liu,Q.H. ; Zhang,Z.Q.
Pub. info.: Subsurface sensing Technologies and Application II : 31 July-3 August 2000, San Diego, USA.  pp.406-417,  2000.  Bellingham, Wash..  SPIE - The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4129
2.

Conference Proceedings

Conference Proceedings
Zhang,Z.Q. ; Liu,Q.H.
Pub. info.: Subsurface sensing Technologies and Application II : 31 July-3 August 2000, San Diego, USA.  pp.165-174,  2000.  Bellingham, Wash..  SPIE - The International Society for Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 4129