James Porter
Lawrence, G. B., M.B. David, Gary M. Lovett, P.S. Murdoch, D.A. Burns, B.P. Baldigo, A.W. Thompson, James H. Porter, and J.L. Stoddard. 1999. “Soil Calcium Status And The Response Of Stream Chemistry To Declining Acid Rain”. Ecol. Appl. 9: 1059-1072.