Bruun, A. & Ehinger, B. & Sytsma, V. & Tornqvist, K. (1985)
Retinal neuropeptides in the skates, Raja clavata, R. radiata, R. oscellata (Elasmobranchii). Cell and Tissue Research, 241(1), 17–24
DOI: 10.1007/BF00214621