IEEE Computer Society / IEEE Communications Society : Additional sets ... may be ordered from IEEE Service Center : Additional sets ... may be ordered from IEEE Computer Society Press / cop. 1991
Symposium on Restoration Planning for the Rivers of the Mississippi River Ecosystem (Rapid City, S.D. ; 1992) / U.S. Dept. of the Interior, National Biological Survey : Copies may be obtained from the Publications Unit, U.S. Fish and Wildlife Service : Copies may be purchased from the National Technical Information Service / [1993]
