TY  - BOOK
AU  - Bardach, John E.
TI  - Down Stream: a natural history of the river. 
U1  - 574.929 BAR 
PY  - 1964///]
CY  - New York
PB  - Harper and Row
KW  - Fresh- water biology
KW  - Rivers
KW  - Natural history
N1  - Includes bibliographical references (p. 259-265.  )
ER  -