TY  - BOOK
AU  - Van Dobben, W. H.,
TI  - Unifying Concepts in Ecology (Reoprt)
SN  - 9061931746
U1  - 574.506 
PY  - 1975///
CY  - Wageningen
PB  - Hague & Centre for Agriculture Pub.
KW  - Ecology
ER  -