TY  - BOOK
AU  - Henle,Michael
TI  - A combinatorial introduction to topology / 
T2  - (A series of books in mathematical sciences)
SN  - 0716700832
AV  - QA612  H46 1979 
PY  - 1979///
CY  - San Francisco
PB  -  W. H. Freeman and company
KW  - Lemb
KW  - Topología algebraica
N1  - Incluye bibliografía e índice
ER  -