Tilden, William A. . <br/><br/>
Chemical Discovery And Invention In the Twentienth Century /  Textual Documents 
William A. Tilden. 
 - 1st ed. / 
 - London :  George Routledge & Sons, Ltd ,  Nd. 
 - xvi,487p. :  ill. ;  23 cm. . 
<br/><br/><label>Subjects--Index Terms: </label>T/G-Chemistry 
<br/><br/><label>Dewey Class. No.: </label>540.9  / T 454 C