TR  / IC-7668 <br/>
O. S. North <br/>
       Vermiculite 
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 .-  ,   
<br/><U>Author Added Entry: </u><br/>H. P. Chandler;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR5276</b>, Full Call No.: TR IC-7668,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>