[1] E. Dagotto, et al., "Colossal magnetoresistant materials: the key role of
phase separation", Physics Reports 344 (2001) 1153.
[2] S. P. S. Badwal, et al., "Chemical diffusion in perovskite cathodes of
solid oxide fuel cells: the Sr-doped LaMn1-xMxO3 (M= Co, Fe) systems",
Ceramics International 27 (2001) 419-429.
[3] Emmanuel Syskakis, et al., "Crossover between Kondo and electronelectron
interaction effects in La0.75Sr0.2MnO3 manganite doped with Co
impurities", J. Phys.: Condens. Matter 15 (2003) 7735-7749.
[4] A. N. Petrov, et al., "Crystal structure of the mixed oxides La0.7Sr0.3Co1-
zMnzO3y (0 < z <1)", J. Solid State Chem. 143 (1999) 52-57.
[5] V. V. Sikolenko, et al., "Neutron diffraction studies of La1-xSrxCoO3
magnetic structure at x=0.15 and 0.3", J. Magn. Magn. Mater., 258-259
(2003) 300-301.
[6] D. D. Khalyavin, et al., "Electrochemical growth and properties of
LaMn1-xCoxO3 (0<x<1) single crystals", Crys. Res. Technol. 38 (2003) 748-
754.
[7] S. Kuharuangrong, et al., "Effects of Co and Fe addition on the
Properties of Lathanum Struntium manganite", Materils Letters 58 (2004)
1964-1970..
[8] Nguyen Xuan Phuc, et al., "Field dependence of zero-field-cooled
magnetization of La1-xSrxCoO3 (0.05<x<0.5)", J. Magn. Magn. Mater. 242-
245 (2002) 754-756.
[9] J. S. Srikiran, et al., "Magnetic ordering in La0.7Sr0.3Co1-xMnxO3", Appl.
Phys. A 74 (2002) S814-S816.
[10] N. X. Phuc, et al., "Magnetic and Transport properties of La0.7Sr0.3Co1-
yMnyO3", Physica B 327 (2003) 177-182.
[11] X. J. Fan, et al., "Transport and magnetic properties in provskite
compound La0.7Sr0.3Mn1-xCoxOy", J. Phys.: Condens. Matter 11 (1999) 3141-
3148.
[12] Kazuyoshi Suzuki, et al., "Magnetic, electrical and thermal properties
of La0.8Sr0.2MnyCo1-yO3", Physica B 329-333 (2003) 922-923.
[13] Alazne Pena, et al., "Magnetotransport properties of Co- and Ni-doped
manganites: from conductive to insulating behavior", J. Magn. Magn. Mater.
272-276 (2004) e1425-e1427.
[14] G. Ch. Kostogloudis, et al., "Electronic conductivity in the Pr1-xSrxCo1-
yMny system", Solid State Ionics 118 (1999) 241-249.
[15] A. Maignan, et al., "Enhancement of magnetoresistance in cobaltites by
manganese substitution: the oxide La0.8Sr0.2Co1-xMnxO3", Eur. Phys. J. B 13
(2000) 41-45.
[16] S. Das, et al., "Influence of grain size and grain boundries on the
properties of La0.7Sr0.3CoxMn1-xO3", Solid State Communications 121 (2002)
691-695.
[17] V. L. Kozhevnikov, et al., "Conductivity and carrier traps in La1-
xSrxCo1-zMnzO3 (x= 0.3, z= 0, 0.25)", J. Solid State Chemistry 172 (2003)
296-304.
[18] G. J. Chen, et al., "The effect of microstructure and secondary phase on
magnetic and electrical properties of La-deficient La1-xMnxO3 (0 <x < 0.3)
films", J. Magn. Magn. Mater. 219 (2000) 317-324.
[19] M. Gaudon, et al., "Preparation and characterization of La1-xSrxMnO3+δ
powder by sol-gel processing", Solid State Sciences 4 (2002) 125-133.
[20] Carlos Moure, et al., "Synthesis, sintering and electrical properties of
YNi0.33Mn0.67O3 perovskite prepared by a polymerized method", J. Europ.
Ceram. Soc. 23 (2003) 729-736[21] W. Zhong, et al., "Synthesis, structure and magnetic entropy change of
polycrystalline La1-xKxMnO3", J. Magn. Magn. Mater. 195 (1999) 112-118.
[22] Nguyen Hoang Luong, et al., "On the magnetic and magnetocaloric
properties of perovskite La1-xSrxCoO3", J. Magn. Magn. Mater. 242-245
(2002) 760-762.
)