K. Obrien

The Production of Cosmogenic Isotopes in the Earth's Atmosphere and Their Inventories

M. Shea, D. Smart, K. Obrien, 1991 .

Observation of variations in cosmic ray single count rates during thunderstorms and implications for large-scale electric field changes

K. H. Lee, I. H. Park, M. Takita, 2021, Physical Review D.

Protection against space radiation

K. Obrien, A. Reetz, 1968 .