Levens, A.S <br/><br/>
Graphics in engineering and science 
Levens, A.S 
 - USA  John Wiely & sons  1954 
 - viii, P-696 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>604.2  / LEV