EDTA titrations : an introduction to theory and practice / H. A. Flaschka. Flaschka, H. A. (Hermenegild Arved), 1915- Ethylenediaminetetraacetic acid. Complexometric titration. QD111 .F47 1959 540 FLE Includes index. New York : Pergamon Press, 1964. 1964. 1964 Text 138 p. : eng