1. The technology of solvent extraction in metallurgical processes;Hanson;Het. Ingenieursblad.,1972
2. British Patent No. 995472: Acrylic Acid Recovery,1964
3. Absorption and Extraction;Sherwood,1952
4. The effect of packing size and column diameter on mass transfer in liquid–liquid extraction;Leibson;Chem. Eng. Prog.,1953
5. Liquid–liquid extraction. Part V—further studies of droplet behaviour in packed columns;Gayler;Trans. Inst. Chem. Eng.,1953