Haynes, Willians. Chemical Trade Names And Commercial Synonyms : a dictionary of American usage / - 2nd rev. & enl. ed. - New York : D. Van Nostrand, c 1955. - 466 p. ; 24 cm. 320 320 Subjects--Topical Terms: Chemistry and allied sciences.--America Dewey Class. No.: 540.3 / H333c