Lindsey, William C..  <br/><br/>
Sistemy sinchronizacii v svjazi i upravlenii /  
Lindsey William C., Bakaev Ju.N.. 
 - Moskva :   Sovetskoe Radio,   1978. 
 - 597 s.;   25 cm. 
 - Transactions of Chalmers University of Technology, Gothenburg .
 - Transactions of Chalmers University of Technology, Gothenburg .