Trenham, Peter C.; Shaffer, H. Bradley & Moyle, Peter B. (1998). "Biochemical identification and assessment of population subdivision in morphologically similar native and invading smelt species (Hypomesus) in the Sacramento-San Joaquin Estuary, California". Transactions of the American Fisheries Society. 127 (3): 417–424. Bibcode:1998TrAFS.127..417T. doi:10.1577/1548-8659(1998)127<0417:biaaop>2.0.co;2.
Trenham, Peter C.; Shaffer, H. Bradley & Moyle, Peter B. (1998). "Biochemical identification and assessment of population subdivision in morphologically similar native and invading smelt species (Hypomesus) in the Sacramento-San Joaquin Estuary, California". Transactions of the American Fisheries Society. 127 (3): 417–424. Bibcode:1998TrAFS.127..417T. doi:10.1577/1548-8659(1998)127<0417:biaaop>2.0.co;2.