000
00257nam a22001097a 4500
020
_a
0521604818
082
_a
511.32
_b
COL.T
100
_a
E F Collingwood
245
_a
Theory of cluster sets
260
_a
UK
_b
Cambridge university press
_c
2004
942
_c
BK
999
_c
202306
_d
202306