TY  - BOOK
AU  - 
AU  - United StatesNational Committee for the International Biological Program
TI  - Productivity of world ecosystems: proceedings of a symposium presented August 31-September 1, 1972, at the V General Assembly of the Special Committee for the International Biological Program, Seattle, Washington
SN  - 0309023173
PY  - 1975///
CY  - Washington, D.C.
PB  - National Academy of Sciences
KW  - Biological productivity
KW  - Congresses
N1  - Symposium sponsored by U.S. National Committee for the International Biological Program, Division of Biological Sciences, Assembly of Life Sciences, National Research Council; Includes bibliographies
ER  -