Helbing, Wolfgang <br/><br/>
Chemical Tables:For Laboratory and Industry 

 - New Delhi  Ravi Acharya for Wiley Eastern  1979 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural Science--ChemistryGeneralia
<br/><br/><label>Dewey Class. No.: </label>540  / HEL-C