The European Physical Journal B
The European Physical Journal B > 1999 > 11 > 4 > 615-619
The European Physical Journal B > 2000 > 16 > 3 > 521-529
The European Physical Journal B > 1999 > 11 > 4 > 615-619
The European Physical Journal B > 2000 > 16 > 3 > 521-529