Thompson, R. F., 
Clark, G. A., 
Donegan, N. H., 
Lavond, G. A., 
Lincoln, D. G. et al.  (
1987) Neuronal substrates of discrete, defensive conditioned reflexes, conditioned fear states, and their interactions in the rabbit. In: 
Classical conditioning, 
3rd ed., ed. 
Gormezano, I., 
Prokasy, W. F. & 
Thompson, R. F.. 
Erlbaum. [SG]
Google Scholar