Synthesis & characterisation of La[subscript 4]BaCu[subscript 5]O[subscript 13+delta], La[subscript 8-x]Sr[subscript x]Cu[subscript 8]O[subscript20-delta], REBaCo[subscript 2]O[subscript 6-delta] & related phases - Anderson, Piers Scott (University of Sheffield, 2001)