Enhancement of the intergranular superconducting properties in 'BI IND.2''SR IND.2''CA''CU IND.2''O IND.8' with 'LI' additions - Moehlecke, S; Westphal, Carlos Henrique; Torikachvili, M S; Davis, J A; Torriani, I C L (Physica C, 1993)