Positron Annihilation Studies of High Temperature Superconductors
1990 ◽
pp. 335-349
◽
1992 ◽
Vol 105-110
◽
pp. 477-484
◽
1988 ◽
Vol 21
(16)
◽
pp. 3151-3157
◽
1988 ◽
Vol 13
(5)
◽
pp. 407-414
◽