1. Standard Methods for the Examinations of Water and Wastewater;APHA American Public Health Association,1975
2. Stream Ecology: Structure and Function of Running Waters;Allan,2007
3. The influence of riparian vegetation on stream width eastern Pennsylvania, USA;Allmendinger;Geol. Soc. Am. Bull.,2005
4. Valley segments, stream reaches, and channel units;Bisson,2007
5. Numerical Ecology with R;Borcard,2011