TY  - BOOK
ED  -  International Biological Programme.
TI  -  Integrated research programs constituting the U.S. contribution to t he International Biological Program
PY  - 0000/// n.d
CY  -  United States : 
PB  -  s.n., 
KW  -  International Biological Programme
N1  -  Report No.4 of the U.S. National Committee for the International Bio logical Program. Volume I and II
ER  -