TY  - BOOK
AU  - Spellerberg,Ian F.
TI  - Monitoring ecological change
SN  - 0521424070 (pbk.)
AV  - QH541.15.M64S73 1991 
U1  - 574.5/22 
PY  - 1991///
CY  - Cambridge [England], New York
PB  - Cambridge University Press
KW  - Environmental monitoring
UR  - http://www.loc.gov/catdir/description/cam024/91008346.html
UR  - http://www.loc.gov/catdir/toc/cam025/91008346.html
ER  -