TY  - BOOK
AU  - Isom,Billy G.
TI  - Rationale for sampling and interpretation of ecological data in the assessment of freshwater ecosystems
T2  - Astm special technical publication// stp
SN  - 0803104553 (paperback)
PY  - 1986///
CY  - [S.l.]
PB  - Astm Intl
N2  - Book by
UR  - http://www.amazon.com/exec/obidos/ASIN/0803104553/chopaconline-20
ER  -