Duey, Marc Emil.2009-03-202009-03-2019851985Source: Masters Abstracts International, Volume: 40-07, page: .9780315196834http://hdl.handle.net/10393/4712http://dx.doi.org/10.20381/ruor-10393Biology, General.The effect of petroleum and selected fractions on the gill morphology of rainbow trout.Thesis