TY - BOOK T1 - Chemistry of the metal chelates compounds. A1 - Calvin, Melvin, 1911- A1 - Martell, A.E LA - English PP - New York PB - Prentice-Hall YR - 1952 UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217607825631 OP - 613 CN - QD411 M38 ER -