Time pattern of ionizing radiation in balloon altitudes in high latitudes

por Pfotzer, G, Ehmert, A, Keppler, E
Publicado 1962

X-ray measurements in the auroral zone from July to October 1964

por Kremser, G, Keppler, E, Bewersdorff, A, Saeger, K H, Ehmert, A, Pfotzer, G, Riedler, W, Legrand, J P
Publicado 1965

Defining Critical Genes During Spherule Remodeling and Endospore Development in the Fungal Pathogen, Coccidioides posadasii

por Mead, H. L., Roe, C. C., Higgins Keppler, E. A., Van Dyke, M. C. Caballero, Laux, K. L., Funke, A.L., Miller, K. J., Bean, H. D., Sahl, J. W., Barker, B. M.
Publicado 2020