The Citrate process for flue gas desulfurization / 
by W.I. Nissen ... [et al.] 
 - Washington, D. C. :  Bureau of Mines,  1985 
 - vi, 69 p. :  ill. ;  28 cm. 
 - Bulletin ;  686 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flue gases--Desulphurization<br/>Citric acid<br/>Chemistry, Analytic