Sung-Jong Lee Chang-Sub Jung Sun-Sook Paik Sun-Ho Bai The functional roles of chemical coupling and gap junction between horizontal cells in the catfish retina. 43-51 2001 38-40 Neurocomputing http://dx.doi.org/10.1016/S0925-2312(01)00484-2 db/journals/ijon/ijon38.html#LeeJPB01