BRANDT-PETRIK E, NAGY J. THE PURIFICATION OF ORGANIC SOLVENTS BY THE COMBINED APPLICATION OF NORMAL FREEZING AND ZONE MELTING. Period. Polytech. Chem. Eng. [Internet]. 1972 Jan. 1 [cited 2024 May 19];16(2):149-5. Available from: https://pp.bme.hu/ch/article/view/3266