1. Polarographic estimation of chromium and vanadium with complexone III;Branzovsky;Chem. Prumysl,1961
2. Use of EDTA for the rapid analysis of ferro-titanium;Bruile;Zh. Rikl. Chim. Deninger,1966
3. Rapid analysis of chromite and chrome ore;Dinnin;U.S. Geol. Surv. Bull,1959
4. Determination of aluminum in titaniferous alloys;Foerster;Neue Huette,1967