Pickering, SG Forschungsgruppe Kybernetik, Max-Planck-Institut für Biologie, Max Planck Society;
https://www.sciencedirect.com/science/article/pii/0042698968901077 (Verlagsversion)
Pickering, S. (1968). The extremely long latency response from on-off retinal ganglion cells: Relationship to dark adaptation. Vision Research, 8(4), 383-387. doi:10.1016/0042-6989(68)90107-7.