TY  - BOOK
ED  -  International Biological Programme.
TI  -  Progressive report 1968 of the Austrian National Committee for Inter national Biological Programme (IBP), February 1969
PY  - 1968///
CY  -  Vienna : 
PB  -  Austrian IPB National Committee, 
KW  -  Terrestrial communities
KW  -  Productivity
KW  -  Austria
KW  -  Fresh water communities
KW  -  Marine ommunities
KW  -  Conservation
ER  -