Gmelin Handbook: B: B-Verb.14, 3.7.1.1, page 64 - 67 Full Text Show Details Callery Chemical Co. Patent: US3122585 , 1964 ; C, 1966 , p. 1-2490 Full Text Show Details Callery Chemical Co. Patent: GB826558 , 1960 ; C., 1963 , p. 7993 Full Text Show Details Callery Chemical Co. Patent: FR1200039 , 1959 ; C., 1963 , p. 2236