A. F. Timothy

The X-Ray Spectrogmphic Telescope

J. K. Silk, Richard D. Petrasso, Allen S. Krieger, 1974, Other Conferences.

The X-ray spectrographic telescope

Allen S. Krieger, G. S. Vaiana, A. F. Timothy, 2011 .

The X-ray spectrographic telescope. [for solar corona observation

Richard D. Petrasso, Allen S. Krieger, G. S. Vaiana, 1974 .

X-ray observations of characteristic structures and time variations from the solar corona: preliminary results from Skylab

R. Giacconi, M. V. Zombeck, Allen S. Krieger, 1973 .

Identification and analysis of structures in the corona from X-ray photography

Allen S. Krieger, G. S. Vaiana, A. F. Timothy, 1973 .

The structure and evolution of coronal holes

Allen S. Krieger, G. S. Vaiana, A. F. Timothy, 1975 .