Ram, J.L., F. Banno, R.R. Gala, J.P. Gizicki & D.R. Kashian. 2014. Estimating sampling effort for early detection of non-indigenous benthic species in the Toledo Harbor region of Lake Erie. Management of Biological Invasions 5(3): 209-216. https://doi.org/10.3391/mbi.2014.5.3.03.