TY - BOOK AU - Closs,Gerry AU - Downes,Barbara AU - Boulton,Andrew TI - Freshwater ecology: a scientific introduction SN - 1405126644 U1 - 574.52632 23 PY - 2004/// CY - Malden, MA. PB - Blackwell Pub. Co. KW - Freshwater ecology N1 - Includes index ER -