Prosser, C.L. & Ralph, C.L. & Steinberger, W.W. (1959)
Responses to stretch and the effect of pull on propagation in non-striated muscles of Golfingia (Phascolosoma) and mustelus.
Journal of Cellular and Comparative Physiology, 54(2), 135–146 DOI: 10.1002/jcp.1030540203