Othmer, Kirk Encyclopedia of chemical technology : sulfonation and sulfation to thorium and thorium compounds - 3rd ed. - London ; John Wiley & Sons , 1983 - xxvi,1002p. , V.22 ISBN: 0471020753 Subjects--Topical Terms: Chemical Technology-EncyclopaediaEncyclopaedia Dewey Class. No.: 660.3 / OTH