source
From Box 5.4 in Iseley, J.J. and T.B. Grabowski. 2007. Age and Growth in Guy, C.S. and M.L. Brown, editors. Analysis and Interpretation of Freshwater Fisheries Data. American Fisheries Society. Likely originally from Grabowski, T.B., S.P. Young, J.J. Isely, and P.C. Ely. http://www.fwspubs.org/doi/pdf/10.3996/012012-JFWM-008{Age, growth, and reproductive biology of three catostomids from the Apalachicola River, Florida.} Journal of Fish and Wildlife Management 3:223-237.concept
Growth 'von Bertalanffy'