Bull, P. G. . <br/><br/>
Chemistry Of To-Day /  Textual Documents 
P. G. Bull. 
 - 1st ed. / 
 - London :  Seely, Service & Co ,  1923. 
 - 311p. ;  16 cm.. 
<br/><br/><label>Subjects--Index Terms: </label>T/G-Chemistry 
<br/><br/><label>Dewey Class. No.: </label>540  / B 812 C