Thomas, P T <br/><br/>
Vettil Oru labaraterri 

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 -  Kottayam  NBS, 1979 
 - 106 p   
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<br/><br/><label>Subjects--Index Terms: </label>Pure sciences  Natural sciences  Sciences 
<br/><br/><label>Dewey Class. No.: </label>5=M