@book{23317,
	author = {Cobb, John N.},
	title = {Pacific salmon fisheries,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1930.},
	series = {U. S. Bureau of fisheries.  Report of the Commissioner of fisheries for 1930.  Appendix xiii},
	address = {Washington,},
	edition = {4th. ed.},
	note = {At head of title: U. S. Department of commerce.}
}