Description
Item Description:"UNC-WRRI-79-145."
"Project number A-067-NC, agreement number 14-34-0001-7070."
Based on the dissertation of David W. Schnare submitted as partial fulfillment of the requirements of the MSPH degree, University of North Carolina, Chapel Hill.
Physical Description:ix, 90 pages : illustrations ; 28 cm.
Bibliography:Bibliography: pages 70-90.