Benetti, P.; Calaprice, F.; Calligarich, E.; Cambiaghi, M.; Carbonara, F.; Cavanna, F.; Cocco, A. G.; Di Pompeo, F.; Ferrari, N. (2007-04-21). „Measurement of the specific activity of 39Ar in natural argon”. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment (на језику: енглески). 574 (1): 83—88. ISSN0168-9002. doi:10.1016/j.nima.2007.01.106.
Benetti, P.; Calaprice, F.; Calligarich, E.; Cambiaghi, M.; Carbonara, F.; Cavanna, F.; Cocco, A. G.; Di Pompeo, F.; Ferrari, N. (2007-04-21). „Measurement of the specific activity of 39Ar in natural argon”. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment (на језику: енглески). 574 (1): 83—88. ISSN0168-9002. doi:10.1016/j.nima.2007.01.106.
Benetti, P.; Calaprice, F.; Calligarich, E.; Cambiaghi, M.; Carbonara, F.; Cavanna, F.; Cocco, A. G.; Di Pompeo, F.; Ferrari, N. (2007-04-21). „Measurement of the specific activity of 39Ar in natural argon”. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment (на језику: енглески). 574 (1): 83—88. ISSN0168-9002. doi:10.1016/j.nima.2007.01.106.