Economou, T.E.; Turkevich, A.L.; Sowinski, K.P.; Patterson, J.H.; Franzgrote, E.J. The Alpha-Scattering Technique of Chemical Analysis. Journal of Geophysical Research. 1970, 75 (32): 6514. Bibcode:1970JGR....75.6514E. doi:10.1029/JB075i032p06514.
Patterson, J.H.; Franzgrote, E.J.; Turkevich, A.L.; Anderson, W.A.; Economou, T.E.; Griffin, H.E.; Grotch, S.L.; Sowinski, K.P. Alpha-scattering experiment on Surveyor 7 - Comparison with Surveyors 5 and 6. Journal of Geophysical Research. 1969, 74 (25): 6120–48. Bibcode:1969JGR....74.6120P. doi:10.1029/JB074i025p06120.
R. Rieder; H. Wänke; T. Economou; A. Turkevich. Determination of the chemical composition of Martian soil and rocks:The alpha proton X ray spectrometer. Journal of Geophysical Research. 1997, 102 (E2): 4027–4044. Bibcode:1997JGR...102.4027R. doi:10.1029/96JE03918.
R. Rieder; R. Gellert; J. Brückner; G. Klingelhöfer; G. Dreibus; A. Yen; S. W. Squyres. The new Athena alpha particle X-ray spectrometer for the Mars Exploration Rovers. Journal of Geophysical Research. 2003, 108 (E12): 8066. Bibcode:2003JGRE..108.8066R. doi:10.1029/2003JE002150.
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Economou, T.E.; Turkevich, A.L.; Sowinski, K.P.; Patterson, J.H.; Franzgrote, E.J. The Alpha-Scattering Technique of Chemical Analysis. Journal of Geophysical Research. 1970, 75 (32): 6514. Bibcode:1970JGR....75.6514E. doi:10.1029/JB075i032p06514.
Patterson, J.H.; Franzgrote, E.J.; Turkevich, A.L.; Anderson, W.A.; Economou, T.E.; Griffin, H.E.; Grotch, S.L.; Sowinski, K.P. Alpha-scattering experiment on Surveyor 7 - Comparison with Surveyors 5 and 6. Journal of Geophysical Research. 1969, 74 (25): 6120–48. Bibcode:1969JGR....74.6120P. doi:10.1029/JB074i025p06120.
R. Rieder; H. Wänke; T. Economou; A. Turkevich. Determination of the chemical composition of Martian soil and rocks:The alpha proton X ray spectrometer. Journal of Geophysical Research. 1997, 102 (E2): 4027–4044. Bibcode:1997JGR...102.4027R. doi:10.1029/96JE03918.
Rieder, R.; Wanke, H.; Economou, T. An Alpha Proton X-Ray Spectrometer for Mars-96 and Mars Pathfinder. American Astronomical Society. 1997, 28: 1062. Bibcode:1996DPS....28.0221R.
R. Rieder; R. Gellert; J. Brückner; G. Klingelhöfer; G. Dreibus; A. Yen; S. W. Squyres. The new Athena alpha particle X-ray spectrometer for the Mars Exploration Rovers. Journal of Geophysical Research. 2003, 108 (E12): 8066. Bibcode:2003JGRE..108.8066R. doi:10.1029/2003JE002150.
Hovestadt, D.; Andreichikov, B.; Bruckner, J.; Economou, T.; Klecker, B.; Kunneth, E.; Laeverenz, P.; Mukhin, L.; et al. In-Situ Measurement of the Surface Composition of the Mars Moon Phobos: The Alpha-X Experiment on the Phobos Mission. Abstracts of the Lunar and Planetary Science Conference. 1988, 19: 511. Bibcode:1988LPI....19..511H.