World history 

 - 2nd ed. 
 - Kottayam  Mac-Millan Pub.  Co.    1950 
 - P-    880  XIV  19.5  CM 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HistoryTheory Of Vibraqtion Vibrating System And Sources Of Sound Transmission Of Sound Thechnical Application Reception Tranmation And Measurement Of Sound Energy 
<br/><br/><label>Dewey Class. No.: </label>930  / HAY-W