TY  - JOUR
AU  - Eugenio Bianchi
AU  - Frank Hellmann
TI  - The Construction of Spin Foam Vertex Amplitudes
JO  - Symmetry, integrability and geometry: methods and applications
PY  - 2013
VL  - 9
UR  - http://geodesic.mathdoc.fr/item/SIGMA_2013_9_a7/
LA  - en
ID  - SIGMA_2013_9_a7
ER  -