Fifty-seventh annual report of the chemical examiner's department, Bengal for the year 1931 / 
Government of Bengal. 
 - Calcutta:  Bengal secretariat book depot,  1932 
 - 20 p.,  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technologists - Report
<br/><br/><label>Dewey Class. No.: </label>660.09205  / GOF,1932