TY  - BOOK
AU  - Spring,Barbara
TI  - The dynamic Great Lakes
SN  - 1588517314
PY  - 2001///
CY  - Baltimore, Md.
PB  - AmErica House
KW  - Biotic communities
KW  - Great Lakes
KW  - Natural history
KW  - Great Lakes Region
KW  - Ecology
KW  - Environmental aspects
N1  - Includes bibliographical references (p.105-107)
ER  -