Ricketts, Pierre De Peyster  M. 1918-, <br/><br/>
Notes on assaying / 
By Pierre de peyster ricketts and edmund h. Miller 
 - 3 # rev. 
 - 289 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ensayos
<br/><br/><label>LC Class. No.: </label>TN550  / R52 1900