A History of engineering and science in the Bell System.  [vol. 3],  Switching technology (1925-1975) / 
prepared by A.E. Joel and other members of the technical staff, Bell Telephone Laboratories ; G.E. Schindler, editor. 
 - 1st print. 
 - [New York] :  Bell Telephone Laboratories,  1982. 
 - XIV, [1], 639 s. :  il. ;  24 cm. 
<br/><br/> Na obwolucie: 27 Telecom. 
<br/><br/>Bibliogr. przy rozdz. Indeks. 
<br/><br/><label>ISBN: </label>0932764029 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telefonia--historia.<br/>Telekomunikacja--historia.<br/>Telekomunikacja--Stany Zjednoczone.<br/>Elektronika--historia.
<br/><br/><label>Universal Decimal Class. No.: </label>621.38