Kremser, G., Saeger, K. H., Keppler, E., Bewersdorff, A., Pfotzer, G., Ehmert, A., . . . Legrand, J. P. X-Ray Measurements in the Auroral Zone from July to October 1964. Springer International Publishing.
Lua i Stíl Chicago (17ú heag.)Kremser, G., K. H. Saeger, E. Keppler, A. Bewersdorff, G. Pfotzer, A. Ehmert, W. Riedler, agus J. P. Legrand. X-Ray Measurements in the Auroral Zone from July to October 1964. Cham: Springer International Publishing.
Lua MLA (8ú heag.)Kremser, G., et al. X-Ray Measurements in the Auroral Zone from July to October 1964. Springer International Publishing.
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