[1] Ya Tang, Xinwei Wang, Qinghong Zhang, YaogangLi, "HongzhiWang,Progress in Natural Science", Materials International22(1), (2012)53–58.
]2[ Chengxiang Wang, Longwei Yin, Luyuan Zhang, Dong Xiang and RuiGao, "Sensors10", (2010), 2088-2106.
]3[ Rezlescu N., Iftimie N., Rezlescu E., Doroftei C., Popa P.D., "Sensors and Actuators B 114", (2006), 427–432.
]4[ Gedam N. N., Kadu A. V., Padole P. R., Bodadeand A. B., Chaudhari G. N., Sensors & Transducers Journal,110 (2009) 86-95.
]5[ Kapse V.D., Ghosh S.A., Raghuwanshi F.C., Kapse S.D., "Materials Chemistry and Physics 113", (2009) 638–644.
]6[ Florin Tudorache, Paul DorinPopa, Marius Dobromir, Felicia Iacomi, Materials Science and Engineering B 178 (2013)1334-1338.
]7[ Rezlescu N., Rezlescu E., Tudorache F., Popa P. D., "Romanian Reports in Physics", 61(2009) 223–234.
]8[ Sutka A., Mezinskis G., Lusis A., Stingaciu M., Sensors and Actuators B, 171– 172 (2012) 354– 360.
]9[ Brittany L. Hayes, Aldrichimica ACTA, VOL. 37 (2004) NO. 2.
]10[ Sertkol M., Koseo˘glu Y., Baykal A., Kavas H., Bozkurt A., Toprak M.S., Journal of Alloys and Compounds 486 (2009) 325–329.
]11[ Wang C.C., Weng Yu.C., Chou T. C., Sensors and Actuators B122 (2007) 591–595.
]12 [Gedam N. N., Padole P. R., Rithe S. K., Chaudhari G. N., J Sol-Gel Sci. Techno.l50 (2009) 296–300.
[13] Kamble V.L. , Mathe. Sensors and Actuators B, 131, (2008) 205–209.
[14] Sonali L., Darshane S.S., MullaSuryavanshi I.S., Ceramics International 35 (2009) 1793–1797.
]15[ Hankare P.P., Sanadi K.R., Garadkar K.M., Patil D.R., Mulla I.S., Journal of Alloys and Compounds 553, (2013) 383–388.
[16] Shannon R.D., ActaCryst.A 32(1976) 751-767
[17] Amal M. Ibrahim, Abd El-Latif M.M., Morsi M. Mahmoud, Journal of Alloys and Compounds 506, (2010) 201–204.
]18[ Kambale R.C., Shaikh P.A., Kamble S.S., Kolekar Y.D., Journal of Alloys and Compounds 478, (2009) 599–603.
]19[ Ahmad Umar, Yoon- Bong Hahn, Metal Oxide Nanostructures and Their Applications, Volume 3, (2010) Pages 31-52.
]20[ JIAO Wan-li, ZHANG Lei, Trans. Nonferrous Met. Soc. China 22 (2012) 1127-1132.
]21 [Chengxiang Wang, Longwei Yin, Luyuan Zhang, Dong Xiang and RuiGao, Sensors10, (2010) 2088-2106.
]22[ Sutka A., Stingaciu M., Mezinskis G., Lusis A., J Mater. Sci. 47 (2012) 2856–2863.
]23[ Arafat M. M., Dinan B., Sheikh A. Akbar, Haseeb A. S. M. A., Sensors12 (2012) 7207-7258.