TY  - BOOK
AU  - Baum,John D., x
AU  - x
TI  - Elements of point set topology: x
SN  - x
U1  - 513.83/BAE 
PY  - 1964///
CY  - N.J.
PB  - Prentice - Hall
KW  - Topology
N1  - x
ER  -