@article{2003, title={Influence of Grain Boundary on Magnetoresistance in Hole Doped Manganites La0.7Ca0.3MnO3, La0.7Sr0.3MnO3 and (La0.75Y0.25)0.7Sr0.3MnO3}, author={Takeshi Murata and Tomoyuki Terai and Takashi Fukuda and Tomoyuki Kakeshita and Kohji Kishio}, journal={MATERIALS TRANSACTIONS}, volume={44}, number={12}, pages={2589-2593}, year={2003}, doi={10.2320/matertrans.44.2589} }