Ricketts, Pierre De Peyster  M. 1918, <br/><br/>
Notes on assaying and assay schemes / 
By Pierre de peyster ricketts 
 - 6 # ed, rev and enl 
 - 210 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ensayos
<br/><br/><label>LC Class. No.: </label>TN500  / R52 1882