Gattermann, L.; Rossolymo, A. Ber. Dtsch. Chem. Ges., 1890 , vol. 23, p. 1190 - 1199 Full Text Show Details Gattermann, L. Ber. Dtsch. Chem. Ges., 1899 , vol. 32, p. 1116 - 1121 Full Text Show Details Gmelin Handbook: C: MVol.D3, 4.2.1, page 131 - 131