Title : 
On the Fallacy of an Availability Measure
         
        
        
            Author_Institution : 
ITT Defense Communication, Nutley, N. J.
         
        
        
        
        
        
            Keywords : 
Availability; Educational institutions; Failure analysis; Flow graphs; Instruments; Licenses; Maintenance; Quality control; Redundancy; Switching circuits;
         
        
        
            Journal_Title : 
Reliability, IEEE Transactions on
         
        
        
        
        
            DOI : 
10.1109/TR.1967.5217486