A universal power law for modelling the growth and form of teeth, claws, horns, thorns, beaks, and shells oleh Alistair R. Evans, Tahlia I. Pollock, Silke G. C. Cleuren, William M. G. Parker, Hazel L. Richards, Kathleen L. S. Garland, Erich M. G. Fitzgerald, Tim E. Wilson, David P. Hocking, Justin W. Adams