TR  / NBS-350 <br/>
B. E. Blair <br/>
       Time and frequency 
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 .-  ,   
<br><U>Copy Details:</u><br> Acc. No.: <b>TR4212</b>, Full Call No.: TR NBS-350,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>