Melsen, Andrew G Van <br/><br/>
Science and technology 

 - Pittsburgh:   Duquesne University Press,   1961 
 - ix, 373p. 
 - Philosophical series  13 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science and technology
<br/><br/><label>Universal Decimal Class. No.: </label>D 5/6:1   / K1;1