Douglas L. Nelson, Nancy R. Gee, Vanesa M. McKinney, David J. Bennett, Thomas A. Schreiber,
Implicit memory: Effects of network size and interconnectivity on cued recall. Journal of Experimental Psychology: Learning, Memory and Cognition. ,vol. 19, pp. 747- 764 ,(1993) ,
10.1037//0278-7393.19.4.747