Pérez-Calatayud، J.؛ Granero، D.؛ Ballester، F.؛ Puchades، V.؛ Casal، E. (6 فبراير 2004). "Monte Carlo dosimetric characterization of the Cs-137 selectron/LDR source: Evaluation of applicator attenuation and superposition approximation effects". Medical Physics. Wiley. ج. 31 ع. 3: 493–499. DOI:10.1118/1.1644640. ISSN:0094-2405.
Dabadghao، S. V. (1963). "Hard Tube Automatic Pulse Repetition Frequency Doubler". IETE Journal of Research. Informa UK Limited. ج. 9 ع. 1: 27–36. DOI:10.1080/03772063.1963.11486412. ISSN:0377-2063.
"Crocus Technology". Academic Dictionaries and Encyclopedias (باللاتينية). 22 Jun 2011. Archived from the original on 2021-11-24. Retrieved 2021-11-24.
"Crocus Technology". Academic Dictionaries and Encyclopedias (باللاتينية). 22 Jun 2011. Archived from the original on 2021-11-24. Retrieved 2021-11-24.
Pérez-Calatayud، J.؛ Granero، D.؛ Ballester، F.؛ Puchades، V.؛ Casal، E. (6 فبراير 2004). "Monte Carlo dosimetric characterization of the Cs-137 selectron/LDR source: Evaluation of applicator attenuation and superposition approximation effects". Medical Physics. Wiley. ج. 31 ع. 3: 493–499. DOI:10.1118/1.1644640. ISSN:0094-2405.
Dabadghao، S. V. (1963). "Hard Tube Automatic Pulse Repetition Frequency Doubler". IETE Journal of Research. Informa UK Limited. ج. 9 ع. 1: 27–36. DOI:10.1080/03772063.1963.11486412. ISSN:0377-2063.