Degering, Ed F. <br/><br/>
An Outline of Organic Nitrogen Compounds 

 - 4th. ed. 
 - Michigan :   University Lithoprinters,  1945  
<br/><br/><label>Standard No.: </label>DEX-M1657 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUESTO<br/>NITROGENO<br/>ORGANICA
<br/><br/><label>Universal Decimal Class. No.: </label>547.237