Actions for An investigation of sulfur levels in the precipitation in central Pennsylvania and their relationship to sulfur levels in the atmosphere : a paper in environmental pollution control
An investigation of sulfur levels in the precipitation in central Pennsylvania and their relationship to sulfur levels in the atmosphere : a paper in environmental pollution control / by J. Wick Havens, Jr.
A reissue of the author's masters thesis. "Program advisor: Alfred J. Engel, Department of Chemical Engineering"--Cover. At head of title: The Pennsylvania State University, The Graduate School.
Bibliography Note
Includes bibliographical references (leaves 50-51).