TY  - JOUR
AU  - Shapiro, H. L.
AU  - Smith, F. A.
TI  - Even Covers and Collectionwise Normal Spaces
JO  - Canadian journal of mathematics
PY  - 1978
SP  - 466
EP  - 473
VL  - 30
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-041-6/
DO  - 10.4153/CJM-1978-041-6
ID  - 10_4153_CJM_1978_041_6
ER  -