[1] [1] CHALMERS A. Transmissionenhanced backscatter Xray images[C]Proceedings of SPIE 4507, hard Xray gammaray detect physics III. San Diego, CA, United States: SPIE, 2001: 125 – 131.

[3] [3] CHALMERS A. Rapid inspection of cargos at ptals using drivethrough transmission backscatter Xray imaging[C]Proceedings of SPIE 5403, senss, comm, control, communications, intelligence (C3I) technologies f homel security homel defense III. lo, Flida, United States: SPIE, 2004.

[4] [4] CHALMERS A. Three applications of backscatter xray imaging technology to homel defense[C]Proceedings of SPIE 5778, senss, comm, control, communications, intelligence (C3I) technologies f homel security homel defense IV. lo, Flida, United States: SPIE, 2005: 989 – 993.

[7] NIKL M. Scintillation detectors for X-rays[J]. Measurement Science and Technology, 17, R37-R54(2006).