BTS  / MONO 2461 <br/>
Lovell,C A,Mcguigan,J H <br/>
       EXPERIMENTAL POLYTONIC SIGNALING SYSTEM 
 / 
 .-  ,  1955 
 .- 24 . 
<br/>Bound With Bts Mono 2455-60,2462-83.Lack No.2458 & 2459. 
<br/><U>Author Added Entry: </u><br/>Murphy,O J;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR19821</b>, Full Call No.: BTS MONO 2461,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>