1- Dehkordi, E. H. Copyright (1998). "Principles of industrial radiography." First Edition, Arkan publication,
PP. 11-117.
2- Ghiasinejad, M. and Katuzi, M. Copyright (2006). "Foundation course of radiation protection in industrial
facilities." Dorbid publication.
3- Robins, L. (2005). "On-line diagnostics techniques in the oil, gas, and chemical Industry." 3rd MENDT -
Middle East Nondestructive Testing Conference & Exhibition, Bahrain, Manama, PP. 27-30.
4- Gardner, R. P. and Ely, R. L. Jr. (1967). "Radioisotope measurement applications in engineering." Reinhold
Publishing Corporation, New York, PP.23-30.
5- Ljunggren, K. (1996). "Symposium on radioisotope tracers in industry and geophysics." IAEA, Prague, PP.
303-305.
6- Charlton, J. S., Heslop, J. A. and Johnson, P. (1975). "Industrial applications of radioisotopes." Physics in
Technology, PP. 67-76.
7- Urbanski, N. F., Resetarits, M. R., Shakur, M. S. and Monkelbaan, D. R. (1999). "Gamma scanning a column
containing closely spaced trays." Prepared for Presentation at the Annual Meeting AIChE 1999 Separations
Topical Conference Session #T1007 - Distillation Hardware and Applications II, Dallas, Texas, U.S.A.
8- Vasquez, P. A. and Costa, F. E. (2005). "Development of a scintillator detector system for gamma ray scan
measurements of industrial distillation columns." Nuclear Instrument and Method in Physics Research A
537, PP. 458-461.
9- Laraki, K. and Alami, R. (2007). "An expert system for improving the gamma-ray scanning technique."
Nuclear Instruments and Methods in Physics Research A 578, PP. 340–344.
10- Abdullah, J. (2005). "Gamma-ray scanning for troubleshooting, optimisation and predictive maintenance of
distillation columns." Technology, Non-Disruptive & On-Line Inspection, HYDROCARBON ASIA,
Jan/Feb (2005), PP. 62-65.
11- Treybal, R. E. "Mass-transfer operations." Third Edition, McGraw-Hill, Copyright 1980, reissued 1987,
Chapter 6, PP. 158-185.
12- GE Imagination at work. (2007). Industrial Radiography Image Forming Techniques, GE inspection at work.
13- Vidrine Commercial Manager TRACERCO, S. (2005) "Radioisotope technology - benefits & limitations in
troubleshooting packed beds in vacuum distillation." Copyrighted by TRACERCO, a Johnson Matthey
Company, Presented in the Distillation Symposium of the 2005 Spring AIChE Meeting Atlanta, Ga. April
10 through 13.
14- Moss, C. E., Dowdy, E. J. and Lucas, M. C. (1986). "Bismuth germanate scintillators: Applications in
nuclear safeguards and health Physics." Nuclear Instruments and Methods A242.
15- Broda, E. and Schonfield, T. (1996) "The technical applications of radioactivity." London Pergamon Press,
Vol. 1.
16- Pehl, R. H. (Nov., 1977). "Germanium Gamma-ray detectors." Physics Today, PP. 30- 50.
17- Holstad, M. B., Jackson, P. and Johansen, G. A. (2004). "Scattered Gamma-radiation utilized to measure
remnant fresh absorbent in absorbent bed." Measurement Science and Technology, 15, PP. 1827-1834.
18- Doug, R., Norbert, E. and Hastings, S. (March, 1991). "Passive nondestructive assay of nuclear materials."
Office of Nuclear Regulatory Research U.S. Nuclear Regulatory Commission Washington D C 20555.
19- Moss, C. E., Dowdy, E. J. and Lucas, M. C. (1986). "Bismuth germanate scintillator: Application in nuclear
safeguards and health physics." Nuclear Instruments and Methods A242.
20- Knoll, G. F. (2000). "Radiation detection and measurement." third edition, John Wiley & Sons.
21- Sakai, E. (1982). “Present status of room-temperature semiconductor detectors.” Nuclear Instruments and
Methods, PP. 196-121.