A History of engineering and science in the Bell System.  [vol. 1],  The early years (1875-1925) / 
prepared by members of the technical staff, Bell Telephone Laboratories ; M.D. Fagen, editor. 
 - 2nd print. 
 - [New York] :  Bell Telephone Laboratories,  1985. 
 - XIII, 1073 s. :  il. ;  24 cm. 
<br/><br/> Na obwolucie: 24 Telecom. 
<br/><br/>Bibliogr. s. 1015-1042. Indeks. 
<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