00354    a2200145   4500020001800000082001500018100002200033245004100055250000800096260004200104300002100146650001400167650001200181650001500193  a9780127447605  a577.6bWET  aWetzel, Robert G.  aLimnologyblake and river ecosystems  a3rd  aSan DiegobAcademic Pressc1975g2001  axvi,1006p.c28cm  aLimnology  aEcology  aEcosystems