TY  - BOOK
AU  - x, x
AU  - Saarinen,Esa
TI  - Conceptual issues in ecology: x
SN  - x
U1  - 574.5/CON 
PY  - 1982///
CY  - Lond.
PB  - D.Reidel Pub.
KW  - Ecology
N1  - x
ER  -