TY  - JOUR
AU  - K. H. Kamps
AU  - T. Porter
TI  - A homotopy $2$-groupoid from a fibration
JO  - Homology, homotopy, and applications
PY  - 1999
SP  - 79
EP  - 93
VL  - 1
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4310/HHA.1999.v1.n1.a2/
DO  - 10.4310/HHA.1999.v1.n1.a2
LA  - en
ID  - HHA_1999_1_1_a2
ER  -