Progress report, analysis of ecosystems
By: Submitted by Executive Board, Analysis of Ecosystems
Contributors: International Biological Programme
Published: 1969
Place of publication: Washington, D.C.?
Language: eng
Number of pages: 26
Subjects: Ecology; Research; Environmental policy
Notes: "This document serves as a progress report for NSF GB 7840 and a final report for NSF GB 6215."

Part of the U.S. contribution to the International Biological Program.