000
00308nam a2200133Ia 4500
008
210901s1971 xx 000 0 eng d
082
_a
514 WIL
100
_a
Willard, S.
245
0
_a
General topology
260
_a
London
_b
Addison-Wesley
_c
1971
300
_a
369
650
_a
Mathematics
942
_2
ddc
_c
BK
999
_c
8403
_d
8403