Okkerse, Boudewijn. <br/><br/>
Zelfdiffusie in lood..'s-Gravenhage, Excelsior [1954] / 
Boudewijn Okkerse. 
 - 83 p. :  ill. ;  25 cm. 
<br/><br/> Proefschrift- Technische Hogeschool, Delft. Summary in English. 
<br/><br/>Includes bibliographical references (p. 79-83) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diffusion.<br/>Lead.
<br/><br/><label>Dewey Class. No.: </label>P 541.341 O44