00818cam a2200193   45000010008000000030008000080050017000160080041000330400027000740820013001011100020001141110074001342450236002082600039004443000021004835040029005047100040005337400051005731255350BD-DhUL20170418104416.0730524s2000    nyua     b    100 0 eng    aDLCcDLCdDLCdBD-DhUL00a370bUNU2 aUnited Nations.2 aSymposium on the Productivity of Forest Ecosystems,cBrussels,d1969.00aCatchment hydrological and biochemica processes in the changing environment :bseventh conference of the european networks of experimental and representative basins (ERB) liblice (czech republic), 22-24 sep. 1998 /cUnited Nations.  aNew York :bUnited Nations,c2000.  a296 p. ;c30 cm.  aIncludes bibliographies.2 aInternational Biological Programme.  aProductivité des écosystèmes forestiers.