Beche, Leah A.; Mcelravy, Eric P.; Resh, Vincent H. (January 2006). "Long-term seasonal variation in the biological traits of benthic-macroinvertebrates in two Mediterranean-climate streams in California, U.S.A.". Freshwater Biology. 51 (1): 56–75. doi:10.1111/j.1365-2427.2005.01473.x. ISSN0046-5070.
"Streams under CWA Section 404". Section 404 of the Clean Water Act. United States Environmental Protection Agency. 28 October 2015. Retrieved 15 May 2021.
One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Bourne". Encyclopædia Britannica. Vol. 4 (11th ed.). Cambridge University Press. pp. 332–333.
Beche, Leah A.; Mcelravy, Eric P.; Resh, Vincent H. (January 2006). "Long-term seasonal variation in the biological traits of benthic-macroinvertebrates in two Mediterranean-climate streams in California, U.S.A.". Freshwater Biology. 51 (1): 56–75. doi:10.1111/j.1365-2427.2005.01473.x. ISSN0046-5070.