TY  - BOOK
AU  - Wehr,John D.
AU  - Sheath,Robert G.
TI  - Freshwater algae of North America: ecology and classification 
SN  - 0127415505 (alk. paper)
PY  - 2003///
CY  - San Diego, California
PB  - Academic
KW  - Freshwater algae
KW  - North America
KW  - Ecology
KW  - Classification
N1  - Includes bibliographical references and indexes
UR  - http://www.loc.gov/catdir/description/els031/2002107708.html
UR  - http://www.loc.gov/catdir/toc/els031/2002107708.html
ER  -