Current-induced conductance jumps in mechanically controllable junctions of 'La IND.0.7''Sr IND.0.3'Mn'O IND.3' manganites - Baszynski, J.; Kowalski, W.; Cardoso, C. A.; Moreira, F. M. A.; Andreeta, Marcelo Rubens Barsi; Hernandes, Antônio Carlos (Czechoslovak Journal of Physics, 2004)