Gregory D. Packin

The climate of the US Southwest

Malcolm K. Hughes, Andrew C. Comrie, M. Hughes, 2002 .

The Climate of the U.S. Southwest

M. Hughes, A. Comrie, P. Sheppard, 2002 .

The Climate of the Southwest

M. Hughes, A. Comrie, P. Sheppard, 1999 .

Assessing Climate Variability in the Southwest: State of the Science

M. Hughes, A. Comrie, P. Sheppard, 1999 .

California Community Colleges: Student Transportation and Carbon Emissions

Gregory D. Packin, 2009 .