Low Temperature Electrical Transport in Double Layered CMR Manganite La&amp;lt;sub&amp;gt;1.2&amp;lt;/sub&amp;gt;Sr&amp;lt;sub&amp;gt;1.4&amp;lt;/sub&amp;gt;Ba&amp;lt;sub&amp;gt;0.4&amp;lt;/sub&amp;gt;Mn&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;O&amp;lt;sub&amp;gt;7&amp;lt;/sub&amp;gt;
Advances in materials physics and chemistry