R. Porter

Attitude About Engineering Survey, Fall 1995 And 1996: A Study Of Confidence By Gender

Sarah A. Rajala, Richard L. Porter, Hugh Fuller, 1997 .

Climatic and environmental patterns associated with hantavirus pulmonary syndrome, Four Corners region, United States.

P. Ettestad, D. Engelthaler, J. Cheek, 1999, Emerging infectious diseases.