00873cam 2200265 450 1913838http://id.bnportugal.gov.pt/bib/porbase/191383820030523205000.00-387-90839-075984PTBN0078510819850311d1983 k y0pory0103 baengUSBasic topologyNew YorkSpringer1983XII, 251 pUndergraduate texts in mathematics515.1medeng299282ArmstrongM. A.1506285PTBNRPC084-04-11coopESGLEmq3036206bccoopESGLE0515.1 ARM*BascoopUASDmq3305646bccoopUASD055-01/ARMcoopUCMAmq3080403bccoopUCMA0VERNEY M54/515.1 ARM bcoopUEBIBmq2876234bccoopUEBIB0ARM 515.1 68309 SDcoopUTADBGmq3127191bccoopUTADBG0CMA14-1479