1. I.G.Farbenindustrie BP279 864(1928);BP297 959(1928).
2. The Flash‐ageing of Vat‐printed Viscose Rayon Fabrics
3. Tower Iron Works BP742 207(1955).
4. BadischeAnilinSoda Fabrik A.G. BP829 177 (1958);Data Sheet—Rongal A(1959).
5. associated Chemical Companies Ltd. Application Leaflet—Formosul FA(1961).