1. Berger MR, Bischoff H, Hermanek P, Schmähl D (1984) Biological characterization and chemotherapy of autochthonous colorectal tumors in rats. In: Klein HO (ed) Advances in the chemotherapy of gastrointestinal cancer. Perimed-Fachbuch-Verlagsgesellschaft, Erlangen, pp 75?81
2. Clarke MJ (1980) Oncological implications of the chemistry of ruthnium. In: Sigel H (ed) Metal ions in biological systems volume 11, metal complexes as anticancer agents. Marcel Dekker, Inc., Basel, New York, pp 231?276
3. Cleare MJ, Hydes PC (1980) Antitumor properties of metal complexes. In: Sigel H (ed) Metal ions in biological systems volume II, metal complexes as anticancer agents. Marcel Dekker, Inc., Basel, New York, pp 1?56
4. Keller HJ, Keppler BK, Schmähl D (1982) Antitumor activity of cis-dihalogenobis(1-phenyl-1,3-butanedionato)-titanium(IV) compounds against Walker 256 carcinosarcoma. Drug Res 8:806?807
5. Keppler BK, Diez A, Seifried V (1985) Antitumor activity of phenyl substituted dihalogenobis(1-phenyl-1,3-butanedionato)titanium-(IV) compounds. Drug Res 35(II) 12:1832?1836