Spijksma, Gerald I Chemistry of 2,2,6,6,-tetramethyl-3,5-heptanedione (Hthd) modification of zirconium and hafnium propoxide precursors. [electronic resource] - Inorganic chemistry Jun 2006 - 4938-50 p. digital Publication Type: Journal Article ISSN: 0020-1669 Standard No.: 10.1021/ic051674j doi