Paper (s) having Andersen P, Bliss TV, Skrede KK (1971) as References
			
			
 
		
		
			
				
						
	
	
	
							
    
    
        
    
    
        
            | 1 | Gloveli T, Dugladze T, Rotstein HG, Traub RD, Monyer H, Heinemann U, Whittington MA, Kopell NJ (2005) | 
        
            | 2 | Lytton WW, Lipton P (1999) | 
        
            | 3 | Spruston N, Jaffe DB, Williams SH, Johnston D (1993) |