Christine Y. O'Sullivan ... [and others] ; prepared by Educational Testing Service under a cooperative agreement with the National Center for Education Statistics
by Malcolm L. Hunter Jr... [and others] ; performed for Eastern Energy and Land Use Team, Division of Biological Services, Fish and Wildlife Service, U.S. Department of the Interior
Date
[1985]
Series
Biological report (Washington, D.C.) ; 80-40.20
Biological report (Washington, D.C.). Air pollution and acid rain ; rept. no. 20