Crumpler,Thomas B. <br/><br/>
Chemical computations and errors / 
Thomas B Crumpler and John H. Yoe. 
 - New york :  John wiley & sons,  1940. 
 - 247 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>42  42 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Chemistry -- Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>541 / C888c