Topology and its Applications
Topology and its Applications > 2000 > 102 > 3 > 297-302
Topology and its Applications > 2000 > 103 > 3 > 309-321
Topology and its Applications > 2000 > 103 > 3 > 249-282
Topology and its Applications > 2000 > 104 > 1-3 > 255-291