Weber, W. & Dambach, M. (1974). "Light-sensitivity of isolated pigment cells of the sea urchin Centrostephanus longispinus". Cell and Tissue Research. 148 (3): 437–440. doi:10.1007/BF00224270. PMID4831958.
Weber, W. & Dambach, M. (1974). "Light-sensitivity of isolated pigment cells of the sea urchin Centrostephanus longispinus". Cell and Tissue Research. 148 (3): 437–440. doi:10.1007/BF00224270. PMID4831958.