Petra M. Udelhofen

Comparisons of corrected daily integrated erythemal UVR from the U.S. EPA/UGA network of Brewer spectroradiometers with model and satellite data

Jeff Sabburg, Thomas E. Taylor, Michael G. Kimlin, 2002, SPIE Optics + Photonics.

Influence of tropical cloud systems on the relative humidity in the upper troposphere

Petra M. Udelhofen, Dennis L. Hartmann, D. Hartmann, 1995 .

Cloud cover variations over the United States: An influence of cosmic rays or solar variability?

Petra M. Udelhofen, Robert D. Cess, R. Cess, 2001 .

The SPARC Intercomparison of Middle-Atmosphere Climatologies

Philippe Keckhut, Kevin Hamilton, Richard Swinbank, 2004, Journal of Climate.

Surface UV radiation over Australia, 1979-1992: Effects of ozone and cloud cover changes on variations of UV radiation

Peter Gies, Petra M. Udelhofen, Colin Roy, 1999 .

Comparisons of corrected daily integrated erythemal UVR data from the U.S. EPA/UGA network of Brewer spectroradiometers with model and TOMS‐inferred data

Jeff Sabburg, Thomas E. Taylor, Petra M. Udelhofen, 2002 .