(1989). Powder diffraction file: Set 33 to 34, Inorganic , data book. JCPDS: USA.
1989. Powder diffraction file: Set 33 to 34, Inorganic , data book. JCPDS: USA.
Powder diffraction file: Set 33 to 34, Inorganic , data book. JCPDS: USA. 1989.